XSS in Gallery From Files Project

CVE-2021-24349

This Gallery from files WordPress plugin through 1.6.0 gives the functionality of uploading images to the server. But filenames are not properly sanitized before being output in an error message when they have an invalid extension, leading to a reflected Cross-Site Scripting issue. Due to the lack of CSRF check, the attack could also be performed via such vector.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24349?
CVE-2021-24349 is a medium-severity vulnerability in Gallery From Files Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-06-14.
How severe is CVE-2021-24349?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24349 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.