CVE-2026-91852 PUBLISHED

Apache Sling XSS: CWE-79 multiple raw-string break-outs and ReDOS in XSSImpl

Assigner: apache
Reserved: 15.09.2026 Published: 23.09.2026 Updated: 23.09.2026

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.

Product Status

Vendor Apache Software Foundation
Product Apache Sling XSS
Versions Default: unaffected
  • affected from 0 to 2.4.12 (excl.)

Credits

  • Apache Sling would like to thank the github user n0mi1k, the group of Mohsen Iranmanesh, Sina Moradi Sabet, Sina Marefat, Ali Javidi Ghasr and Mohammad A. Tayebi and The Apache Software Foundation for reporting this issue finder

References

Problem Types

  • CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE