XSS in Piwigo

CVE-2024-26450

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-26450?
CVE-2024-26450 is a medium-severity vulnerability in Piwigo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-02-28.
How severe is CVE-2024-26450?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2024-26450 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.