CVE-2023-27905 Cross site scripting vulnerability in update-center2
Attackers can inject malicious scripts into Jenkins plugin index pages, potentially compromising user sessions and executing code in the browser.
- 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-2023-27905?
CVE-2023-27905 is a critical cross-site scripting vulnerability in Jenkins update-center2, published on 8 Mar 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
Jenkins update-center2 3.13 and 3.14 renders the required Jenkins core version on plugin download index pages without sanitization, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide a plugin for hosting.
Weakness: CWE-79
Which versions are affected by CVE-2023-27905?
2 open source packages ship an affected version, including org.jenkins-ci:update-center2. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci:update-center2 Maven | From 3.13 | 3.15 |
org.jenkins-ci:update-center2 Maven | From 3.13 | 3.15 |
Products include Jenkins Update-Center2.
How do I fix CVE-2023-27905?
Upgrade org.jenkins-ci:update-center2 to 3.15 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-2023-27905 being exploited?
There is no known exploitation of CVE-2023-27905 in the wild and no public exploit code.
Sources
Also known as GHSA-pqg3-xfx2-fmqp.