CVE-2020-21387

6.1 mediumEPSS 0.6%

Medium (6.1) in maccms maccms. EPSS 0.6% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in the parameter type_en of Maccms 10 allows attackers to obtain the administrator cookie and escalate privileges via a crafted payload.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-10-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

maccms:maccms

References

https://github.com/magicblack/maccms10/issues/126
https://github.com/magicblack/maccms10/issues/126

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