CVE-2026-73237 json
Apache Allura: XSS in markdown pipeline
published 2026-08-12 2 mo ago modified 2026-10-24 15 d ago also EUVD-2026-57344
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apache Software Foundation Apache Allura 1.19.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Apache Software Foundation Apache Allura
Classification
- Weakness
-
- CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
References
-
lists.apache.org
/thread/p7bd1yz9v9wbsbc6hz3tjxozxnwyzqz0
vendor-advisory, mailing-list
-
allura.apache.org
/posts/2026-allura-1.19.1.html
release-notes
-
openwall.com
/lists/oss-security/2026/08/12/16
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-73237
- NVD CVE-2026-73237
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.