CVE-2026-91852 json
Apache Sling XSS: CWE-79 multiple raw-string break-outs and ReDOS in XSSImpl
published 2026-09-23 47 d ago modified 2026-09-30 39 d ago also EUVD-2026-85176
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Apache Software Foundation Apache Sling XSS 2.4.12
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 47 d ago
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Apache Software Foundation Apache Sling XSS
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
sling.apache.org
/news.html
vendor-advisory, product
-
lists.apache.org
/thread/nd0ncdk5qb9gqvn0s10rmhnbk887k1qo
vendor-advisory, mailing-list
-
openwall.com
/lists/oss-security/2026/09/23/12
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-91852
- NVD CVE-2026-91852
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