CVE-2026-80180: CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') in Apache Software Foundation Apache Allura
Description
CVE-2026-80180 is a stored cross-site scripting (XSS) vulnerability in Apache Allura affecting versions up to 1.20.0. The issue arises from improper neutralization of input during markdown HTML processing. This vulnerability allows attackers to inject malicious scripts that can be executed in the context of users viewing the affected web pages. The vulnerability has a medium severity with a CVSS score of 6.1. Apache Allura version 1.21.0 includes a fix for this issue.
CVSS v3.1
Score 6.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Allura is a stored cross-site scripting (CWE-79) flaw caused by improper neutralization of input during markdown HTML processing. It affects all versions up to and including 1.20.0. The flaw allows malicious input to be stored and later executed in users' browsers, potentially leading to information disclosure or session hijacking. The issue is resolved in version 1.21.0, which users are advised to upgrade to.
Potential Impact
Successful exploitation of this vulnerability can lead to the execution of arbitrary scripts in the context of the affected web application for users who view the malicious content. This can result in limited confidentiality and integrity impacts, such as theft of user credentials or manipulation of displayed content. The availability of the system is not affected.
Mitigation Recommendations
Users should upgrade Apache Allura to version 1.21.0 or later, where this vulnerability has been fixed. No other mitigation actions are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-w8gw-2cgm-wv2h
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-80180"]
- State
- PUBLISHED
Threat ID: 6a9ad4dfacd9273b49b66af7
Added to database: 09/04/2026, 14:25:35 UTC
Last enriched: 09/07/2026, 18:23:59 UTC
Last updated: 10/18/2026, 18:48:24 UTC
Views: 33
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