Apache Sling App CMS: XSS in CMS Reference / UI Components

published 2023-02-04 3 y ago modified 2026-06-17 4 mo ago also GHSA-rghh-ghf7-7943 , EUVD-2023-0791

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

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

Patch / fix

fixed in 2

maven org.apache.sling:org.apache.sling.cms 1.1.6
Apache Software Foundation Apache Sling App CMS 1.1.6

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-25)

Exploit prediction

1.44% chance of exploitation in the next 30 days, higher than 73% 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
NVD	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
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.apache.sling:org.apache.sling.cms	<1.1.6	1.1.6

Affected products

Apache Software Foundation Apache Sling App CMS

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

sling.apache.org /news.html
vendor-advisory, web
nvd.nist.gov /vuln/detail/CVE-2023-22849
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary