CVE-2021-24917: WPS Hide Login < 1.9.1 - Protection Bypass with Referer-Header

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 72.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-12-06 · updated 2026-06-17
Weakness: CWE-863

Description

The WPS Hide Login WordPress plugin before 1.9.1 has a bug which allows to get the secret login page by setting a random referer string and making a request to /wp-admin/options.php as an unauthenticated user.

Affected products

tabrisrp WPS Hide Login: before 1.9.1 — fixed in 1.9.1

How to fix

Upgrade to a fixed version: tabrisrp WPS Hide Login 1.9.1. Check the vendor advisory for mitigations.

References

https://wordpress.org/support/topic/bypass-security-issue/
https://wpscan.com/vulnerability/15bb711a-7d70-4891-b7a2-c473e3e8b375
https://wordpress.org/support/topic/bypass-security-issue/
https://wpscan.com/vulnerability/15bb711a-7d70-4891-b7a2-c473e3e8b375

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