CVE-2024-26481 Kirby vulnerable to self cross-site scripting (self-XSS) in the URL field
Reflected self-XSS in Kirby CMS allows attackers to execute scripts in the victim's browser via a crafted URL.
- 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-2024-26481?
CVE-2024-26481 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Feb 2024. 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
Kirby CMS v4.1.0 was discovered to contain a reflected self-XSS vulnerability via the URL parameter.
Weakness: CWE-79
Which versions are affected by CVE-2024-26481?
12 open source packages ship an affected version, including getkirby/cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
getkirby/cms Packagist | All versions | 3.6.6.5 |
getkirby/cms Packagist | All versions | 3.6.6.5 |
getkirby/cms Packagist | From 3.10.0 | 3.10.0.1 |
getkirby/cms Packagist | From 3.10.0 | 3.10.0.1 |
getkirby/cms Packagist | From 3.7.0 | 3.7.5.4 |
getkirby/cms Packagist | From 3.7.0 | 3.7.5.4 |
6 more packages
getkirby/cms Packagist | From 3.8.0 | 3.8.4.3 |
getkirby/cms Packagist | From 3.8.0 | 3.8.4.3 |
getkirby/cms Packagist | From 3.9.0 | 3.9.8.1 |
getkirby/cms Packagist | From 3.9.0 | 3.9.8.1 |
getkirby/cms Packagist | From 4.0.0 | 4.1.1 |
getkirby/cms Packagist | From 4.0.0 | 4.1.1 |
Products include Getkirby Kirby.
How do I fix CVE-2024-26481?
Upgrade getkirby/cms to a fixed version for your release line: 3.6.6.5, 3.10.0.1, 3.7.5.4 or 3.8.4.3.
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-2024-26481 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-26481 exists.
Other vulnerabilities in n/a
- CVE-2024-26483 Kirby vulnerable to unrestricted file upload of user avatar images
- CVE-2024-41964 Insufficient permission checks in the language settings in Kirby CMS
- CVE-2026-34587 Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering
- CVE-2021-29460 Cross-site scripting (XSS) from unsanitized uploaded SVG files
- CVE-2023-38489 Kirby vulnerable to Insufficient Session Expiration after a password change
Sources
Also known as GHSA-57f2-8p89-66x6.