185 lines
7.9 KiB
JSON
185 lines
7.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55424",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T21:48:43.126Z",
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"datePublished": "2026-07-09T22:01:22.249Z",
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"dateUpdated": "2026-07-10T14:40:09.311Z"
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},
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"containers": {
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"cna": {
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"title": "Discourse: Topic featured link susceptible to stored XSS",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-79",
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"lang": "en",
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"description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "LOW",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7.4,
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/discourse/discourse/security/advisories/GHSA-695w-7fv8-mxg3",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/discourse/discourse/security/advisories/GHSA-695w-7fv8-mxg3"
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},
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{
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"name": "https://github.com/discourse/discourse/commit/1bce8881e4253d9bbab56f011a12ef899b926b59",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/commit/1bce8881e4253d9bbab56f011a12ef899b926b59"
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},
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{
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"name": "https://github.com/discourse/discourse/commit/6679d9a5083488bae10c2adbb345c481c583242c",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/commit/6679d9a5083488bae10c2adbb345c481c583242c"
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},
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{
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"name": "https://github.com/discourse/discourse/commit/6828aee9b15c2655d63b515ac919830bd540ff83",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/commit/6828aee9b15c2655d63b515ac919830bd540ff83"
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},
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{
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"name": "https://github.com/discourse/discourse/commit/c9b9405f5bd0bf0269e505e28e3aad388d7657c5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/commit/c9b9405f5bd0bf0269e505e28e3aad388d7657c5"
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},
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{
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"name": "https://github.com/discourse/discourse/releases/tag/v2026.1.5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/releases/tag/v2026.1.5"
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},
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{
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"name": "https://github.com/discourse/discourse/releases/tag/v2026.4.2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/releases/tag/v2026.4.2"
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},
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{
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"name": "https://github.com/discourse/discourse/releases/tag/v2026.5.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/releases/tag/v2026.5.1"
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},
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{
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"name": "https://github.com/discourse/discourse/releases/tag/v2026.6.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/discourse/discourse/releases/tag/v2026.6.0"
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}
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],
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"affected": [
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{
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"vendor": "discourse",
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"product": "discourse",
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"versions": [
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{
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"version": ">= 2026.1.0-latest, < 2026.1.5",
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"status": "affected"
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},
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{
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"version": ">= 2026.4.0-latest, < 2026.4.2",
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"status": "affected"
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},
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{
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"version": ">= 2026.5.0-latest, < 2026.5.1",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-07-09T22:01:22.249Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, a topic \"featured link\" was not sufficiently normalized and escaped before being rendered in the topic list, allowing a user who can set a featured link to inject JavaScript when default Content Security Policy protections were modified or disabled. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5."
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}
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],
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"source": {
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"advisory": "GHSA-695w-7fv8-mxg3",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-10T14:39:57.512653Z",
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"id": "CVE-2026-55424",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-07-10T14:40:09.311Z"
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}
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}
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]
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}
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} |