CVE-2023-39921: WordPress Molongui Plugin <= 4.6.19 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-30 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Molongui Author Box, Guest Author and Co-Authors for Your Posts – Molongui allows Stored XSS.This issue affects Author Box, Guest Author and Co-Authors for Your Posts – Molongui: from n/a through 4.6.19.

Affected products

Molongui: through 4.6.19

References

https://patchstack.com/database/vulnerability/molongui-authorship/wordpress-author-box-for-authors-co-authors-multiple-authors-and-guest-authors-molongui-plugin-4-6-19-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/molongui-authorship/wordpress-author-box-for-authors-co-authors-multiple-authors-and-guest-authors-molongui-plugin-4-6-19-cross-site-scripting-xss-vulnerability?_s_id=cve

Get alerted when CVE-2023-39921 or the next vulnerability affects your stack