CVE-2020-35314 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 26.9% (pctl 98)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 26.91% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-04-20 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| wondercms | wondercms |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WonderCMS 3.1.3 - Authenticated Remote Code Execution | 2020-12-02 |
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
→ the Explorer · watch your stack · NVD