CVE-2026-88788 Text Styler <= 1.1.1 - Contributor+ Stored XSS
Contributors can inject JavaScript via styling values, leading to code execution in administrators' browsers when viewing posts.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-88788?
CVE-2026-88788 is a medium-severity cross-site scripting vulnerability in Unknown Text Styler, published on 22 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Text Styler WordPress plugin through 1.1.1 does not sanitise and escape user-supplied styling values before outputting them within a front-end style block, and does not verify that a user may edit the target post, allowing users with contributor-level access or above to store JavaScript that executes in the browser of anyone viewing the affected post, including administrators.
Weakness: CWE-79
Which versions are affected by CVE-2026-88788?
How do I fix CVE-2026-88788?
No fix has been published for CVE-2026-88788 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-2026-88788 being exploited?
There is no known exploitation of CVE-2026-88788 in the wild and no public exploit code.
Sources
Also known as GHSA-gxqc-8737-rfmf.