CVE-2021-39349

MediumCVSS 4.8/10Last modified Jun 17, 2026

Description

The Author Bio Box WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/includes/admin/class-author-bio-box-admin.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.3.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
Author Bio BoxAuthor Bio Box>= 3.3.1, <= 3.3.1

References

Timeline

Published
Oct 15, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-39349: Medium severity, CVSS 4.8 | Vulnix