CVE-2026-80180: Apache Allura: Stored XSS via markdown HTML processing

Published Sep 3, 2026

Updated

Stored XSS via markdown HTML processing in Apache Allura.

This issue affects Apache Allura: from through 1.20.0.

Users are recommended to upgrade to version 1.21.0, which fixes the issue.

Affected Software

1 affected component

Apache Allura<1.21.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Apache Allura to a version that resolves this vulnerability.
Fixed in 1.21.0

Event History

Sep 4, 2026

CVE Published

via MITRE·06:50 AM

Data Sourced

via MITRE·06:50 AM

DescriptionWeakness

Company

Resources

Contact

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