How severe is CVE-2026-11977?

Medium severity. CVSS v3 base score is 6.5 out of 10.

SQL Injection in Afthemes Wp Post Author – Box, Multiple Authors, Guest Authors & Custom Avatars

CVE-2026-11977

The WP Post Author – Author Box, Multiple Authors, Guest Authors & Custom Avatars plugin for WordPress is vulnerable to generic SQL Injection via the 'wpma_metabox_authors_list' parameter in all versions up to, and including, 3.9.1 due to…

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Afthemes Wp Post Author – Box, Multiple Authors, Guest Authors & Custom Avatars — versions 0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

Frequently asked questions

What is CVE-2026-11977?: CVE-2026-11977 is a medium-severity vulnerability in Afthemes Wp Post Author – Box, Multiple Authors, Guest Authors & Custom Avatars, classified under SQL Injection. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-11977?: Medium severity. CVSS v3 base score is 6.5 out of 10.