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TI-2026-51374 Aliases CVE-2026-73237GHSA-q6fp-vfv9-v477

Apache Allura: XSS in markdown pipeline

Priority LOW 29CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-80.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00794 56th percentileScored 2026-11-07
Fix Fixed Apache Allura (Apache Software Foundation): 1.19.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Allura1.10.0 to before 1.19.11.19.1Patch availableCNA
  • Apache Allura VendorApache Affected 1.10.0 to before 1.19.1 Fixed in 1.19.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:allura:*:*:*:*:*:*:*:*1.10.0 to before 1.19.1VulnerableApache
  • cpe:2.3:a:apache:allura:*:*:*:*:*:*:*:* Versions 1.10.0 to before 1.19.1 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache Allura (Apache Software Foundation) Fixed in 1.19.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache Allura 1.19.1

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-51377 Apache Allura: Git command injectionPriority MEDIUM 51
    • TI-2026-51376 Apache Allura: Missing permission checks IDORPriority LOW 30
    • TI-2026-51375 Apache Allura: XSS in code displayPriority LOW 29
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-73237
  2. 2026-10-03 Alias added: GHSA-q6fp-vfv9-v477

References

Advisory 2

Other 1

  • TI-2026-51377 Apache Allura: Git command injection CVSS 3.1CRITICAL 9.8
  • TI-2026-48566 Apache Allura: Server-side request forgery CVSS 3.1CRITICAL 9.1
  • TI-2024-24250 Apache Allura: sensitive information exposure via DNS rebinding CVSS 3.1HIGH 7.5
  • TI-2018-01203 Path traversal in Apache Allura CVSS 3.0HIGH 7.5
  • TI-2019-07410 Cross-site scripting in Apache Allura CVSS 3.0MEDIUM 6.1
  • TI-2026-52764 Apache Allura: Unauthenticated REST disclosure CVSS 3.1MEDIUM 5.3
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences