An issue exists within Piwigo before v.14.2.0 allowing a malicious user to take over the application. This exploit involves chaining a Cross Site Request Forgery vulnerability to issue a Stored Cross Site Scripting payload stored within an Admin user's dashboard, executing remote JavaScript. This can be used to upload a new PHP file under an administrator and directly call that file from the victim's instance to connect back to a malicious listener.
CVE ID: CVE-2024-26450
CVSS Base Severity: LOW
CVSS Base Score: 0.0
Vendor: n/a
Product: n/a
EPSS Score: 0.04% (probability of being exploited)
EPSS Percentile: 11.44% (scored less or equal to compared to others)
EPSS Date: 2025-02-03 (when was this score calculated)