CVE-2020-20699

4.8 mediumEPSS 0.5%

Medium (4.8) in s-cms s-cms. EPSS 0.5% chance of exploitation in the next 30 days.

A cross site scripting (XSS) vulnerability in S-CMS PHP v3.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the Copyright text box under Basic Settings.

Severity

CVSS 3.1

4.8 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-07-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

s-cms:s-cms

References

https://github.com/Peithon/xss/blob/master/readme.md
https://github.com/Peithon/xss/blob/master/readme.md

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