135 lines
5.5 KiB
JSON
135 lines
5.5 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-2026-59926",
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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": "2026-07-07T18:20:06.126Z",
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"datePublished": "2026-07-08T16:16:15.681Z",
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"dateUpdated": "2026-07-08T19:40:52.229Z"
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},
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"containers": {
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"cna": {
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"title": "Mistune: XSS via unescaped class option in Admonition directive",
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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": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"subIntegrityImpact": "LOW",
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"subAvailabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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/lepture/mistune/security/advisories/GHSA-g97x-gvcm-x72h",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/lepture/mistune/security/advisories/GHSA-g97x-gvcm-x72h"
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},
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{
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"name": "https://github.com/lepture/mistune/commit/a3cb6e5655308797e8be021d6c7b5bab13cbace2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lepture/mistune/commit/a3cb6e5655308797e8be021d6c7b5bab13cbace2"
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},
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{
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"name": "https://github.com/lepture/mistune/releases/tag/v3.2.1",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lepture/mistune/releases/tag/v3.2.1"
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}
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],
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"affected": [
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{
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"vendor": "lepture",
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"product": "mistune",
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"versions": [
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{
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"version": "< 3.2.1",
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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": "2026-07-08T16:16:15.681Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, render_admonition() in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even when HTMLRenderer escape mode is enabled. This issue is fixed in version 3.2.1."
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}
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],
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"source": {
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"advisory": "GHSA-g97x-gvcm-x72h",
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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": "2026-07-08T17:48:29.407727Z",
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"id": "CVE-2026-59926",
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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": "2026-07-08T19:40:52.229Z"
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}
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}
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]
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}
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} |