CVE-2024-44821

Severity: medium (CVSS 5.3 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: yes
Published: 2024-09-04 · updated 2026-06-17
Weakness: CWE-287

Description

ZZCMS 2023 contains a vulnerability in the captcha reuse logic located in /inc/function.php. The checkyzm function does not properly refresh the captcha value after a failed validation attempt. As a result, an attacker can exploit this flaw by repeatedly submitting the same incorrect captcha response, allowing them to capture the correct captcha value through error messages.

Affected products

ZZCMS: through 2023

References

https://github.com/gkdgkd123/codeAudit/blob/main/CVE-2024-44821%20ZZCMS2023%20%E9%AA%8C%E8%AF%81%E7%A0%81%E5%A4%8D%E7%94%A8%E9%80%BB%E8%BE%91%E6%BC%8F%E6%B4%9E.md

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