What is CVE-2023-22849?

CVE-2023-22849 is a medium-severity vulnerability in Apache Sling Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-02-04.

How severe is CVE-2023-22849?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Sling Cms

CVE-2023-22849

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Sling App CMS version 1.1.4 and prior may allow an authenticated remote attacker to perform a reflected cross-site scripting (XSS) attack in multiple features. Upgrade to Apache Sling App CMS >= 1.1.6

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Apache Sling Cms
Apache Software Foundation Sling App Cms — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

sling.apache.org/news.html (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-22849?: CVE-2023-22849 is a medium-severity vulnerability in Apache Sling Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-02-04.
How severe is CVE-2023-22849?: Medium severity. CVSS v3 base score is 6.1 out of 10.