CVE-2023-5239

HIGH 7.5CVE-2023-5239 · Published 27/11/2023 · updated 17/06/2026

In short

CVE-2023-5239 is a HIGH (CVSS 7.5) vulnerability affecting security & malware scan (cleantalk).
Chance of exploitation in the next 30 days (EPSS): 0.65%, higher than 51.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
security & malware scan cleantalk	`≤ 2.121`	No fix yet

Description

The Security & Malware scan by CleanTalk WordPress plugin before 2.121 retrieves client IP addresses from potentially untrusted headers, allowing an attacker to manipulate its value. This may be used to bypass bruteforce protection.

References

wpscan.com/vulnerability/1d748f91-773b-49d6-8f68-a27d397713c3 · Exploit

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