XSS in Text Styler

CVE-2026-88788

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Text Styler

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-88788?
CVE-2026-88788 is a medium-severity vulnerability in Text Styler, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-09-22.
How severe is CVE-2026-88788?
Medium severity. CVSS v3 base score is 6.8 out of 10.