Auth bypass in Vowelweb Vw Writer Blog

CVE-2026-2278

The VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2278?
CVE-2026-2278 is a medium-severity vulnerability in Vowelweb Vw Writer Blog, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-09-19.
How severe is CVE-2026-2278?
Medium severity. CVSS v3 base score is 4.3 out of 10.