CVE-2024-25637 Reflected XSS via X-October-Request-Handler Header
Reflected XSS in October CMS via unsanitized header, though exploitation is limited to proxy tools and not normal browser interactions.
- 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-2024-25637?
CVE-2024-25637 is a low-severity cross-site scripting vulnerability in Octobercms October, published on 26 Jun 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
October is a self-hosted CMS platform based on the Laravel PHP Framework. The X-October-Request-Handler Header does not sanitize the AJAX handler name and allows unescaped HTML to be reflected back. There is no impact since this vulnerability cannot be exploited through normal browser interactions. This unescaped value is only detectable when using a proxy interception tool. This issue has been patched in version 3.5.15.
Weakness: CWE-79
Which versions are affected by CVE-2024-25637?
2 open source packages ship an affected version, including october/system. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
october/system Packagist | From 3.2 | 3.5.15 |
october/system Packagist | From 3.2 | 3.5.15 |
Products include Octobercms October.
How do I fix CVE-2024-25637?
Upgrade october/system to 3.5.15 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-2024-25637 being exploited?
There is no known exploitation of CVE-2024-25637 in the wild and no public exploit code.
Other vulnerabilities in Octobercms October
Sources
Also known as GHSA-rjw8-v7rr-r563.