CVE-2026-73237

6.1 MEDIUM 0.8% exploit odds Fix listed XSS Server

What it is

XSS vulnerability in Markdown handling in Apache Allura. This issue affects Apache Allura: from 1.10.0 before 1.19.1. Users are recommended to upgrade to version 1.19.1, which fixes the issue.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-08-12 17:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-24 15:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-12 17:17 UTC
Last modified: 2026-10-24 15:10 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-80
Record status: Analyzed

Affected

Apache Allura < 1.19.1

Attack profile CVSS 3.1 · 6.1

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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Fix and advisories

https://lists.apache.org/thread/p7bd1yz9v9wbsbc6hz3tjxozxnwyzqz0

References

NVD record · CVE.org record