CVE-2023-4878 Server-Side Request Forgery (SSRF) in instantsoft/icms2
An attacker can exploit a Server-Side Request Forgery vulnerability in InstantCMS to access internal resources or bypass security controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4878?
CVE-2023-4878 is a medium-severity server-side request forgery vulnerability in instantsoft/icms2, published on 10 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Server-Side Request Forgery (SSRF) in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
Weakness: CWE-918
Which versions are affected by CVE-2023-4878?
It affects 1 product.
Products include Instantcms Instantcms.
How do I fix CVE-2023-4878?
No fix has been published for CVE-2023-4878 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2023-4878 being exploited?
There is no known exploitation of CVE-2023-4878 in the wild and no public exploit code.
Other vulnerabilities in instantsoft/icms2
- CVE-2023-4188 SQL Injection in instantsoft/icms2
- CVE-2013-10051 InstantCMS <= 1.6 Remote PHP Code Execution
- CVE-2023-4704 External Control of System or Configuration Setting in instantsoft/icms2
- CVE-2026-28281 InstantCMS has Multiple CSRF Vulnerabilities
- CVE-2023-4652 Cross-site Scripting (XSS) - Stored in instantsoft/icms2
Sources
Also known as GHSA-w3hc-fc6c-v6hj.