CVE-2025-71164 Typesetter CMS Reflected XSS via Editing.php
An authenticated attacker can inject malicious JavaScript via the images parameter in Typesetter CMS, leading to arbitrary code execution in the victim's browser.
- 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-2025-71164?
CVE-2025-71164 is a medium-severity cross-site scripting vulnerability in Typesetter, published on 14 Jan 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
Typesetter CMS versions up to and including 5.1 contain a reflected cross-site scripting (XSS) vulnerability in the Editing component. The images parameter (submitted as images[] in a POST request) is reflected into an HTML href attribute without proper context-aware output encoding in include/tool/Editing.php. An authenticated attacker with editing privileges can supply a JavaScript pseudo-protocol (e.g., javascript:) to trigger arbitrary JavaScript execution in the context of the victim's browser session.
Weakness: CWE-79
Which versions are affected by CVE-2025-71164?
It affects 1 product.
Products include Typesettercms Typesetter.
How do I fix CVE-2025-71164?
No fix has been published for CVE-2025-71164 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-2025-71164 being exploited?
There is no known exploitation of CVE-2025-71164 in the wild and no public exploit code.
Other vulnerabilities in Typesetter
Sources
Also known as GHSA-6wr9-mr96-3838.