CVE-2026-58144 Cotonti Siena 0.9.26 Stored XSS via PFS Module ntitle Parameter
Authenticated users can inject malicious scripts via the PFS module title parameter, leading to code execution in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-58144?
CVE-2026-58144 is a medium-severity cross-site scripting vulnerability in Cotonti, published on 9 Jul 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticated users with PFS access to inject arbitrary script payloads by supplying malicious HTML in the ntitle parameter processed through the TXT filter in pfs.main.php. Attackers can create a folder with a crafted title containing script tags that are stored unescaped in the database and execute in the browser of any user who views the folder listing, including administrators.
Weakness: CWE-79
Which versions are affected by CVE-2026-58144?
How do I fix CVE-2026-58144?
No fix has been published for CVE-2026-58144 yet. Limit exposure of the affected software until one is available.
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-2026-58144 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58144 exists.
Sources
Also known as GHSA-7h9c-8pxh-fg6v.