Just TinyMCE Custom Styles: Cross-site request forgery
Just TinyMCE Custom Styles is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.
- Component
- Just TinyMCE Custom Styles
- Plugin slug
just-tinymce-styles- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 09, 2025
This CVE was published Dec 09, 2025 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Just TinyMCE Custom Styles to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Cross-Site Request Forgery (CSRF) vulnerability in Alex Prokopenko / JustCoded Just TinyMCE Custom Styles just-tinymce-styles allows Cross Site Request Forgery.This issue affects Just TinyMCE Custom Styles: from n/a through <= 1.2.1.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N