Medium severity · published Aug 12, 2026
CVE-2026-73237
Apache Allura: XSS in markdown pipeline
6.1
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Apache Allura · Apache Software Foundation
1.10.0 before 1.19.1 · source: vendor
AL
Allura · Apache
1.10.0 before 1.19.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73237
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73237
Release Notes
https://allura.apache.org/posts/2026-allura-1.19.1.html
Mailing List
https://lists.apache.org/thread/p7bd1yz9v9wbsbc6hz3tjxozxnwyzqz0
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/12/16
More from Apache Allura
9.8
CVE-2026-73240
Apache Allura: Git command injection
9.1
CVE-2026-92120
Apache Allura: Oauth1 Replay Attack
9.1
CVE-2026-92119
Apache Allura: REST API Mass Assignment
9.1
CVE-2026-92116
Apache Allura: OAuth1 missing callback validation
9.1
CVE-2026-80181
Apache Allura: Server-side request forgery