Description
Improper restriction of recursive entity references in DTDs ('XML entity expansion') 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.
Metrics
CVSS 3.1 6.1/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Sling XSS | < 2.4.12 |
References
- https://lists.apache.org/thread/m52jll26vc8g5jokbg0xt062o09wkghrMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/09/23/15Mailing List, Third Party Advisory
Timeline
- Published
- Sep 23, 2026
- Last modified
- Sep 30, 2026
- NVD status
- Analyzed