CVE-2025-40615 Reflected Cross-Site Scripting (XSS) vulnerability in Bookgy

Medium 5.1 Published Updated

Attackers can execute arbitrary JavaScript in victims' browsers via a malicious URL in the TEXTO parameter of the Bookgy web application.

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
None listed

What is CVE-2025-40615?

CVE-2025-40615 is a medium-severity cross-site scripting vulnerability in Bookgy, published on 29 Apr 2025. 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

Reflected Cross-Site Scripting (XSS) vulnerability in Bookgy. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending a malicious URL through the "TEXTO" parameter in /api/api_ajustes.php.

Weakness: CWE-79

Which versions are affected by CVE-2025-40615?

It affects 1 product.

Products include Bookgy Bookgy.

How do I fix CVE-2025-40615?

No fix has been published for CVE-2025-40615 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-2025-40615 being exploited?

There is no known exploitation of CVE-2025-40615 in the wild and no public exploit code.

Sources

Also known as GHSA-gxhp-4g3m-x7p8.

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