CVE-2022-4120 - CVE House
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Status published Unknown CVE-2022-4120

Stop Spammers Security < 2022.6 - Unauthenticated PHP Object Injection

Vulnerability Description

The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Seryeon Ham
  • WPScan

References

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Affected Vendor

Affected Software

Stop Spammers Security | Block Spam Users, Comments, Forms
Vulnerable Versions:
0

Timeline

Official Publish: December 26th, 2022
Last Modified: April 14th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.