CVE-2020-23837

8.8 highEPSS 0.8%

High (8.8) in multi user project multi user. EPSS 0.8% chance of exploitation in the next 30 days.

A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a third-party site or clicks on a URL.

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-352
Published: 2020-09-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

multi_user_project:multi_user

References

http://get-simple.info/extend/plugin/multi-user/133/
https://www.exploit-db.com/exploits/48745
http://get-simple.info/extend/plugin/multi-user/133/
https://www.exploit-db.com/exploits/48745

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