CVE-2026-91928

Apache Sling XSS: Sanitizer bypass, uncontrolled resource consumption and failure pf protection mechanisms

Published Sep 23, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS.



This issue affects Apache Sling XSS: before 2.4.12.



Users are recommended to upgrade to version 2.4.12, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Apache sling Xss Protection Api
CPEs cpe:2.3:a:apache:sling_xss_protection_api:*:*:*:*:*:*:*:*
Vendors & Products Apache sling Xss Protection Api
Type Values Removed Values Added
First Time appeared Apache
Apache sling Xss
Vendors & Products Apache
Apache sling Xss
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixes the issue.
Title Apache Sling XSS: Sanitizer bypass, uncontrolled resource consumption and failure pf protection mechanisms
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Sep 23, 2026, 5:08 PM
Reserved
Sep 15, 2026, 10:58 AM
Status
Analyzed
Published
Sep 23, 2026, 10:17 AM
Modified
Sep 30, 2026, 4:12 PM