CVE-2020-21434

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p43

Published

Oct 4, 2021 (Oct 4, 2021)

Modified

Jun 17, 2026

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.

Vendors: maccms
Products: maccms
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

In the news0 stories

No ingested article mentions this CVE yet.