What is CVE-2022-27428?

CVE-2022-27428 is a medium-severity vulnerability in Gallerycms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-25.

How severe is CVE-2022-27428?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Gallerycms Project

CVE-2022-27428

A stored cross-site scripting (XSS) vulnerability in /index.php/album/add of GalleryCMS v2.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the album_name parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-25 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.005 (39.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Gallerycms Project — versions 2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/bensonarts/GalleryCMS/issues/20 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-27428?: CVE-2022-27428 is a medium-severity vulnerability in Gallerycms Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-04-25.
How severe is CVE-2022-27428?: Medium severity. CVSS v3 base score is 5.4 out of 10.