CVE-2023-39164: WordPress Molongui Plugin <= 4.6.19 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 6.1 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: 2023-09-04 · updated 2026-06-17
Weakness: CWE-79

Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Molongui Author Box for Authors, Co-Authors, Multiple Authors and Guest Authors – Molongui plugin <= 4.6.19 versions.

Affected products

Molongui: before 4.6.20 — fixed in 4.6.20

How to fix

Upgrade to a fixed version: Molongui 4.6.20. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/molongui-authorship/wordpress-molongui-plugin-4-6-18-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/molongui-authorship/wordpress-molongui-plugin-4-6-18-cross-site-scripting-xss-vulnerability?_s_id=cve

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