SSRF in Wondercms
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.452 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.452 · newest: 0.452 · change: 0.000
Affected products
- Wondercms — versions 3.1.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zetc0de.github.io/post/authenticated-rce-ssrf-wondercms/ (Exploit, Third Party Advisory)
- github.com/robiso/wondercms (Product, Third Party Advisory)
- packetstormsecurity.com/files/160310/WonderCMS-3.1.3-Code-Execution-Server-Side… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35313?
- CVE-2020-35313 is a critical-severity vulnerability in Wondercms, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2021-04-20.
- How severe is CVE-2020-35313?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-35313 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.