CVE-2023-22849 Apache Sling App CMS: XSS in CMS Reference / UI Components
Authenticated attackers can execute arbitrary scripts in victim browsers via reflected XSS in Apache Sling App CMS UI components.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-22849?
CVE-2023-22849 is a medium-severity cross-site scripting vulnerability in Apache Sling App CMS, published on 4 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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
Weakness: CWE-79
Which versions are affected by CVE-2023-22849?
2 open source packages ship an affected version, including org.apache.sling:org.apache.sling.cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.sling:org.apache.sling.cms Maven | All versions | 1.1.6 |
org.apache.sling:org.apache.sling.cms Maven | All versions | 1.1.6 |
Products include Apache Sling Cms.
How do I fix CVE-2023-22849?
Upgrade org.apache.sling:org.apache.sling.cms to 1.1.6 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-22849 being exploited?
There is no known exploitation of CVE-2023-22849 in the wild and no public exploit code.
Other vulnerabilities in Apache Sling App CMS
Sources
Also known as GHSA-rghh-ghf7-7943.