CVE-2020-35314
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 26.9%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 26.91% probability · 98th percentile
- Public exploits
- 1 in Exploit-DB · first 2 December 2020
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- wondercms/wondercms
- Source
- cve@mitre.org
EPSS 26.9% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://github.com/robiso/wondercmsProduct, Third Party Advisory
- https://packetstormsecurity.com/files/160311/WonderCMS-3.1.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/Exploit, Third Party Advisory
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/#authenticated-remote-code-executionExploit, Third Party Advisory
- https://github.com/robiso/wondercmsProduct, Third Party Advisory
- https://packetstormsecurity.com/files/160311/WonderCMS-3.1.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/Exploit, Third Party Advisory
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/#authenticated-remote-code-executionExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.