CVE-2026-90563 maliangnansheng bbs-springboot ArticleController.java utils.toToc cross site scripting
Remote attackers can execute arbitrary scripts via the ArticleController toToc function in the bbs-springboot application.
- 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-2026-90563?
CVE-2026-90563 is a medium-severity cross-site scripting vulnerability in maliangnansheng bbs-springboot, published on 13 Sep 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
A vulnerability was determined in maliangnansheng bbs-springboot 3.0.0. This affects the function utils.toToc of the file ArticleController.java. This manipulation causes cross site scripting. The attack is possible to be carried out remotely.
Which versions are affected by CVE-2026-90563?
How do I fix CVE-2026-90563?
No fix has been published for CVE-2026-90563 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-2026-90563 being exploited?
There is no known exploitation of CVE-2026-90563 in the wild and no public exploit code.
Sources
Also known as GHSA-xq53-pwg9-5mgh.