CVE-2025-59055
4.7 · MEDIUMOverview
CVE-2025-59055 is a medium-severity vulnerability affecting instantcms instantcms. It was published on September 11, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
InstantCMS is a free and open source content management system. A blind Server-Side Request Forgery (SSRF) vulnerability in InstantCMS up to and including 2.17.3 allows authenticated remote attackers to make nay HTTP/HTTPS request via the package parameter. It is possible to make any HTTP/HTTPS request to any website in installer functionality. Due to such vulnerability it is possible to for example scan local network, call local services and its functions, conduct a DoS attack, and/or disclose a server's real IP if it's behind a reverse proxy. It is also possible to exhaust server resources by sending plethora of such requests. As of time of publication, no patched releases are available.
Remediation
Check the references section for vendor advisories and patches from instantcms. Update instantcms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| instantcms | instantcms | 0 | Affected |
Frequently Asked Questions
What is CVE-2025-59055?
CVE-2025-59055 is a medium-severity vulnerability affecting instantcms instantcms. It was published on September 11, 2025 and has a CVSS 3.1 base score of 4.7 (MEDIUM).
How severe is CVE-2025-59055?
This vulnerability has a CVSS 3.1 base score of 4.7, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-59055?
Check the references section for vendor advisories and patches from instantcms. Update instantcms to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-59055?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-59055 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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