CVE-2026-80180

Apache Allura: Stored XSS via markdown HTML processing

Published Sep 4, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Stored XSS via markdown HTML processing in Apache Allura.



This issue affects Apache Allura: from through 1.20.0.



Users are recommended to upgrade to version 1.21.0, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Type Values Removed Values Added
First Time appeared Apache
Apache allura
Vendors & Products Apache
Apache allura
Type Values Removed Values Added
Description Stored XSS via markdown HTML processing in Apache Allura. This issue affects Apache Allura: from through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.
Title Apache Allura: Stored XSS via markdown HTML processing
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Sep 4, 2026, 7:43 PM
Reserved
Aug 25, 2026, 9:16 PM
Status
Deferred
Published
Sep 4, 2026, 7:17 AM
Modified
Sep 8, 2026, 2:00 PM