CVE-2026-80180
Published:September 04, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/apache/allura.git (GITHUB):
Affected version(s) >=rel/1.0.0 <rel/1.21.0Fix Suggestion:
Update to version rel/1.21.0Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS
Base Score:
0.20