How severe is CVE-2026-2602?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio

CVE-2026-2602

The Twentig plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'featuredImageSizeWidth' parameter in versions up to, and including, 1.9.7 due to insufficient input sanitization and output escaping. This makes it poss…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-2602?: CVE-2026-2602 is a medium-severity vulnerability in Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-03-29.
How severe is CVE-2026-2602?: Medium severity. CVSS v3 base score is 6.4 out of 10.