CVE-2026-91999
published 2026-09-23CVE-2026-91999: Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS…
PriorityP427medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.57%
47.1th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | sling_xss_protection_api | < 2.4.12 | 2.4.12 |
| apache_software_foundation | apache_sling_xss | < 2.4.12 | 2.4.12 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-09-23
Published