CVE-2024-9427 Koji: escape html tag characters in the query string
An attacker can inject malicious JavaScript via unsanitized query strings in Koji, potentially bypassing existing XSS protections.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-9427?
CVE-2024-9427 is a medium-severity cross-site scripting vulnerability in koji, published on 24 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability in Koji was found. An unsanitized input allows for an XSS attack. Javascript code from a malicious link could be reflected in the resulting web page. It is not expected to be able to submit an action or make a change in Koji due to existing XSS protections in the code
Weakness: CWE-116
Which versions are affected by CVE-2024-9427?
7 open source packages ship an affected version, including koji.
| Package | Affected | Fixed in |
|---|---|---|
koji PyPI | All versions | 1.33.2, 1.34.3, 1.35.1 |
koji PyPI | All versions | 1.33.2 |
koji PyPI | All versions | 1.33.2 |
koji PyPI | From 1.34.0 | 1.34.3 |
koji PyPI | From 1.34.0 | 1.34.3 |
koji PyPI | From 1.35.0 | 1.35.1 |
1 more packages
koji PyPI | From 1.35.0 | 1.35.1 |
How do I fix CVE-2024-9427?
Upgrade koji to a fixed version for your release line: 1.33.2, 1.34.3 or 1.35.1.
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-2024-9427 being exploited?
There is no known exploitation of CVE-2024-9427 in the wild and no public exploit code.
Sources
Also known as GHSA-g2vg-8hfg-79vj, PYSEC-2026-1501, UBUNTU-CVE-2024-9427.