CVE-2026-73237: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Apache Software Foundation Apache Allura
CVE-2026-73237 is a cross-site scripting (XSS) vulnerability in the Markdown handling component of Apache Allura. It affects versions from 1.10.0 up to but not including 1.19.1. The vulnerability allows improper neutralization of script-related HTML tags, which could lead to script injection in web pages. Users are advised to upgrade to version 1.19.1, where the issue is fixed.
AI Analysis
Technical Summary
This vulnerability involves improper neutralization of script-related HTML tags (CWE-80) in the Markdown processing of Apache Allura, allowing for basic XSS attacks. Versions 1.10.0 through versions before 1.19.1 are affected. The vendor has released version 1.19.1 to address this issue. No CVSS score is provided, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to inject malicious scripts into web pages rendered by Apache Allura, potentially leading to client-side code execution in users' browsers. This could result in session hijacking, defacement, or other script-based attacks depending on the context of the injected code.
Mitigation Recommendations
Users should upgrade Apache Allura to version 1.19.1 or later, which contains the fix for this XSS vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade. No other mitigation or temporary workaround is indicated.
CVE-2026-73237: CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in Apache Software Foundation Apache Allura
Description
CVE-2026-73237 is a cross-site scripting (XSS) vulnerability in the Markdown handling component of Apache Allura. It affects versions from 1.10.0 up to but not including 1.19.1. The vulnerability allows improper neutralization of script-related HTML tags, which could lead to script injection in web pages. Users are advised to upgrade to version 1.19.1, where the issue is fixed.
Affected software
pkg:maven/org.apache.allura/alluraRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper neutralization of script-related HTML tags (CWE-80) in the Markdown processing of Apache Allura, allowing for basic XSS attacks. Versions 1.10.0 through versions before 1.19.1 are affected. The vendor has released version 1.19.1 to address this issue. No CVSS score is provided, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to inject malicious scripts into web pages rendered by Apache Allura, potentially leading to client-side code execution in users' browsers. This could result in session hijacking, defacement, or other script-based attacks depending on the context of the injected code.
Mitigation Recommendations
Users should upgrade Apache Allura to version 1.19.1 or later, which contains the fix for this XSS vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-08-11T16:06:07.115Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7ca952bf8831d539e05d3e
Added to database: 08/12/2026, 17:11:46 UTC
Last enriched: 08/12/2026, 17:28:45 UTC
Last updated: 08/12/2026, 17:28:45 UTC
Views: 2
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