CVE-2026-56660
GetSimpleCMS-CE GetSimpleCMS-CE
- GetSimpleCMS-CE GetSimpleCMS-CE
- Critical
- CVSS 9.1
- EPSS 0.53%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| GetSimpleCMS-CE GetSimpleCMS-CE | < 1.5 | None listed |
Advisories and fixes
- Public exploit github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.1 (v3.1, scored by GitHub_M)
- EPSS
- 0.53% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: proof of concept. Automatable: no. Technical impact: total. As of Oct 1, 2026.
- Weakness
- CWE-352: Cross-Site Request Forgery (CSRF); CWE-434: Unrestricted Upload of File with Dangerous Type; CWE-918: Server-Side Request Forgery (SSRF)
- Vendor
- GetSimpleCMS-CE, GetSimpleCMS-CE
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.