CVE-2026-91852 — MEDIUM (6.1)

Q: How severe is CVE-2026-91852?

CVE-2026-91852 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-91852?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Sling Xss Protection Api.

Vulnerability 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.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Sling Xss Protection Api	< 2.4.12

Related Weaknesses (CWE)

CWE-79

References

https://lists.apache.org/thread/nd0ncdk5qb9gqvn0s10rmhnbk887k1qoMailing ListVendor Advisory
https://sling.apache.org/news.htmlProduct
http://www.openwall.com/lists/oss-security/2026/09/23/12Mailing ListThird Party Advisory

FAQ

What is CVE-2026-91852?

CVE-2026-91852 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 ...

How severe is CVE-2026-91852?

CVE-2026-91852 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-91852?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Sling Xss Protection Api.