CVE-2020-21434

MEDIUM 5.4CVE-2020-21434 · Published 04/10/2021 · updated 17/06/2026

In short

CVE-2020-21434 is a MEDIUM (CVSS 5.4) vulnerability affecting maccms (maccms).
Chance of exploitation in the next 30 days (EPSS): 0.52%, higher than 44.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
maccms maccms	`= 10.0`	No fix yet

Description

Maccms 10 contains a cross-site scripting (XSS) vulnerability in the Editing function under the Member module. This vulnerability is exploited via a crafted payload in the nickname text field.

References

Ksharp12138/maccms_userinfo_xss · Exploit

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Package

Affected versions

Patched versions

maccms

= 10.0

No fix yet

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