CVE-2025-5513 quequnlong shiyi-blog add cross site scripting

Medium 5.1 Published 3 Jun 2025 Updated 3 Jun 2025

Attackers can inject malicious scripts via the comment content field in shiyi-blog, potentially executing code 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-2025-5513?

CVE-2025-5513 is a medium-severity cross-site scripting vulnerability in quequnlong shiyi-blog, published on 3 Jun 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability has been found in quequnlong shiyi-blog up to 1.2.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /dev-api/api/comment/add. The manipulation of the argument content leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-5513?

It affects 1 product.

Products include Quequnlong Shiyi-Blog.

How do I fix CVE-2025-5513?

No fix has been published for CVE-2025-5513 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-2025-5513 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5513 exists.

Sources

Also known as GHSA-c6r7-xfw8-p583.