What’s Vulnerable › Vulnerabilities

CVE-2020-35314

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 26.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-20 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• WonderCMS: 3.1.3

References

• https://github.com/robiso/wondercms
• https://packetstormsecurity.com/files/160311/WonderCMS-3.1.3-Remote-Code-Execution.html
• https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/
• https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/#authenticated-remote-code-execution
• https://github.com/robiso/wondercms
• https://packetstormsecurity.com/files/160311/WonderCMS-3.1.3-Remote-Code-Execution.html
• https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/
• https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/#authenticated-remote-code-execution

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