What is CVE-2026-5362?

CVE-2026-5362 is a medium-severity vulnerability in Pimcore, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-27.

How severe is CVE-2026-5362?

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

XSS in Pimcore

CVE-2026-5362

An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Document embed editable and cause script execution when the published page is rendered. This issue affects pimcore: v12.3.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (0.2th percentile) — read the EPSS interpretation.

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.

Affected products

Pimcore — versions 12.3.3, v12.3.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

help@fluidattacks.com (Exploit, Third Party Advisory, third-party-advisory)
help@fluidattacks.com (Product, product)

Frequently asked questions

What is CVE-2026-5362?: CVE-2026-5362 is a medium-severity vulnerability in Pimcore, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-27.
How severe is CVE-2026-5362?: Medium severity. CVSS v3 base score is 5.4 out of 10.