CVE-2025-23039 Cross Site Scripting on URL decode Tooltip in Caido
An attacker can execute arbitrary scripts via the URL decoding tooltip in Caido, potentially stealing sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-23039?
CVE-2025-23039 is a medium-severity cross-site scripting vulnerability in caido, published on 17 Jan 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Caido is a web security auditing toolkit. A Cross-Site Scripting (XSS) vulnerability was identified in Caido v0.45.0 due to improper sanitization in the URL decoding tooltip of HTTP request and response editors. This issue could allow an attacker to execute arbitrary scripts, potentially leading to the theft of sensitive information. This issue has been addressed in version 0.45.1 and all users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2025-23039?
How do I fix CVE-2025-23039?
No fix has been published for CVE-2025-23039 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-2025-23039 being exploited?
There is no known exploitation of CVE-2025-23039 in the wild and no public exploit code.
Sources
Also known as GHSA-3mfw-fhfp-mgrv.