CVE-2020-35313
A server-side request forgery (SSRF) vulnerability in the addCustomThemePluginRepository function in index.php in WonderCMS 3.1.3 allows remote attackers to execute arbitrary code via a crafted URL to the theme/plugin installer.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 45.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
A server-side request forgery (SSRF) vulnerability in the addCustomThemePluginRepository function in index.php in WonderCMS 3.1.3 allows remote attackers to execute arbitrary code via a crafted URL to 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
- 45.22% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 2 December 2020
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- wondercms/wondercms
- Source
- cve@mitre.org
EPSS 45.2% 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/160310/WonderCMS-3.1.3-Code-Execution-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/Exploit, Third Party Advisory
- https://github.com/robiso/wondercmsProduct, Third Party Advisory
- https://packetstormsecurity.com/files/160310/WonderCMS-3.1.3-Code-Execution-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
- https://zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.