CVE-2026-91999
Apache Sling XSS: Improper escaping in the XSS Webconsole plugin
CVSS Score
6.1
EPSS Score
0.2%
EPSS Percentile
11th
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.
| CWE | CWE-79 |
| Vendor | apache software foundation |
| Product | apache sling xss |
| Published | Sep 23, 2026 |
| Last Updated | Sep 23, 2026 |
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Affected Versions
Apache Software Foundation / Apache Sling XSS
0 < 2.4.12
References
Credits
The Apache Software Foundation Claude Code