CVE-2020-35314

critical

Description

A remote code execution vulnerability in the installUpdateThemePluginAction function in index.php in WonderCMS 3.1.3, allows remote attackers to upload a custom plugin which can contain arbitrary code and obtain a webshell via the theme/plugin installer.

References

https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/#authenticated-remote-code-execution

https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/

https://packetstormsecurity.com/files/160311/WonderCMS-3.1.3-Remote-Code-Execution.html

https://github.com/robiso/wondercms

Details

Source: Mitre, NVD

Published: 2021-04-20

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.26912