Medium severity5.3NVD Advisory· Published Sep 4, 2024· Updated Jun 17, 2026

CVE-2024-44821

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/Zzcms3 versions
cpe:2.3:a:zzcms:zzcms:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:zzcms:zzcms:*:*:*:*:*:*:*:*range: <=2023
- (no CPE)
- (no CPE)range: 2023

Patches

Vulnerability mechanics

References

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.mdnvdBroken LinkExploitThird Party Advisory

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cvss	0.345
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