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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.

PUBLISHED Reserved 2026-02-16 | Published 2026-03-29 | Updated 2026-04-08 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

Any version
affected

Timeline

2026-02-17:Vendor Notified
2026-03-28:Disclosed

Credits

Muhammad Yudha - DJ finder

References

www.wordfence.com/...-7494-4e6d-82ea-16018fa81806?source=cve

plugins.trac.wordpress.org/changeset/3486634/twentig

cve.org (CVE-2026-2602)

nvd.nist.gov (CVE-2026-2602)

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