WordPress Plugin Vulnerabilities

Guest Author < 2.4 - Contributor+ Stored XSS

Description

The plugin is vulnerable to Stored Cross-Site Scripting via the plugin's guest author parameters due to insufficient input sanitization and output escaping, allowing authenticated attackers, with contributor-level access to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affects Plugins

Plugin icon
guest-author
Fixed in 2.4

References

URL
https://www.wordfence.com/threat-intel/vulnerabilities/id/0b7d7b64-8194-4b81-83f5-1f3b23109455

Classification

Type
XSS
OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79
CVSS
5.9 (medium)

Miscellaneous

Verified
No
WPVDB ID
e945167d-e803-4795-ab1e-0defccc4f68f

Timeline

Publicly Published
2023-12-01 (about 2 years ago)
Added
2024-01-31 (about 2 years ago)
Last Updated
2024-01-31 (about 2 years ago)

Other

Published
Title
Published
2025-06-05
Title
Search with Typesense < 2.0.11 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published
2025-02-21
Title
Rife Elementor Extensions & Templates < 1.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Writing Effect Headline Shortcode
Published
2024-10-29
Title
T(-) Countdown <= 2.4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Published
2025-09-08
Title
Wilmer Core < 2.4.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Published
2024-04-18
Title
Ungallery <= 2.2.4 - Stored XSS via CSRF