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CVE-2026-39838 ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS

🗓️ 07 Apr 2026 19:17:51Reported by wikimedia-foundationType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

CVE-2026-39838: ProofreadPage sanitizes styles using Sanitizer::checkCSS, enabling XSS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-39838
7 Apr 202619:17
attackerkb
Circl
CVE-2026-39838
7 Apr 202620:37
circl
CNNVD
MediaWiki - ProofreadPage Extension 安全漏洞
7 Apr 202600:00
cnnvd
CVE
CVE-2026-39838
7 Apr 202619:17
cve
EUVD
EUVD-2026-19889
7 Apr 202621:32
euvd
NVD
CVE-2026-39838
7 Apr 202620:16
nvd
Positive Technologies
PT-2026-30991
7 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-39838
8 Apr 202619:57
redhatcve
Vulnrichment
CVE-2026-39838 ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS
7 Apr 202619:17
vulnrichment
[
  {
    "vendor": "Wikimedia Foundation",
    "product": "MediaWiki - ProofreadPage Extension",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "1.43",
        "versionType": "custom"
      },
      {
        "status": "unaffected",
        "version": "1.43"
      },
      {
        "status": "unaffected",
        "version": "1.44"
      },
      {
        "status": "unaffected",
        "version": "1.45"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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08 Apr 2026 18:48Current
CVSS 46.9
EPSS0.00067
12