133 lines
5.4 KiB
JSON
133 lines
5.4 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-2026-27166",
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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": "2026-02-18T00:18:53.962Z",
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"datePublished": "2026-03-19T20:29:22.570Z",
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"dateUpdated": "2026-03-21T03:31:58.296Z"
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},
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"containers": {
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"cna": {
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"title": "Discourse vulnerable to HTML injection via prohibited iframe URLs",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-80",
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"lang": "en",
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"description": "CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)",
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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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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 4.1,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"privilegesRequired": "LOW",
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"scope": "CHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N",
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"version": "3.1"
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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-h653-cq78-vjj2",
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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-h653-cq78-vjj2"
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},
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{
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"name": "https://github.com/discourse/discourse/commit/c4762a4fac2f61f52f325396b11d3aeb955ea925",
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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/c4762a4fac2f61f52f325396b11d3aeb955ea925"
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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": "< 2026.3.0-latest.1",
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"status": "affected"
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},
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{
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"version": ">= 2026.2.0-latest, < 2026.2.1",
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"status": "affected"
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},
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{
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"version": ">= 2026.1.0-latest, < 2026.1.2",
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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": "2026-03-19T20:29:22.570Z"
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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 versions 2026.3.0-latest.1, 2026.2.1 and 2026.1.2, insufficient cleanup in the default Codepen allowed iframes value allows an attacker to trick a user into changing the URL of the main page. This issue has been fixed in versions 2026.3.0-latest.1, 2026.2.1 and 2026.1.2. To workaround this issue, remove Codepen from the list of allowed iframes."
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}
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],
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"source": {
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"advisory": "GHSA-h653-cq78-vjj2",
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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": "2026-03-21T03:31:46.439342Z",
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"id": "CVE-2026-27166",
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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": "partial"
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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": "2026-03-21T03:31:58.296Z"
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}
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}
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]
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}
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} |