CVE-2026-90527 quequnlong shiyi-blog Add Message API index.vue cross site scripting
Remote attackers can inject malicious scripts via the Add Message API in shiyi-blog, potentially compromising user sessions or data.
- 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-2026-90527?
CVE-2026-90527 is a medium-severity cross-site scripting vulnerability in quequnlong shiyi-blog, published on 13 Sep 2026. 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
A vulnerability was detected in quequnlong shiyi-blog up to 1.2.1. Affected is an unknown function of the file blog-admin/src/views/message/message/index.vue of the component Add Message API. The manipulation of the argument body.content results in cross site scripting. The attack can be executed remotely. The project was informed of the problem early through an issue report but has not responded yet.
Which versions are affected by CVE-2026-90527?
How do I fix CVE-2026-90527?
No fix has been published for CVE-2026-90527 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-2026-90527 being exploited?
There is no known exploitation of CVE-2026-90527 in the wild and no public exploit code.
Sources
Also known as GHSA-8c4x-72fw-q8r4.