CVE-2024-31253: WordPress WP OAuth Server (OAuth Authentication) plugin <= 4.3.3 - Open Redirection vulnerability

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: 2024-04-10 · updated 2026-06-17
Weakness: CWE-601

Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in WP OAuth Server OAuth Server.This issue affects OAuth Server: from n/a through 4.3.3.

Affected products

WP OAuth Server (OAuth Authentication): before 4.4.0 — fixed in 4.4.0

How to fix

Upgrade to a fixed version: WP OAuth Server (OAuth Authentication) 4.4.0. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/oauth2-provider/wordpress-wp-oauth-server-oauth-authentication-plugin-4-3-3-open-redirection-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/oauth2-provider/wordpress-wp-oauth-server-oauth-authentication-plugin-4-3-3-open-redirection-vulnerability?_s_id=cve

Get alerted when CVE-2024-31253 or the next vulnerability affects your stack