What’s Vulnerable › Vulnerabilities

CVE-2026-2602: Twentig <= 1.9.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'featuredImageSizeWidth'

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-29 · updated 2026-06-17
• Weakness: CWE-79

Description

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 possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Twentig Supercharged Block Editor – Blocks, Patterns, Starter Sites, Portfolio: through 1.9.7

References

• https://plugins.trac.wordpress.org/changeset/3486634/twentig
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f07881db-7494-4e6d-82ea-16018fa81806?source=cve

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