What’s Vulnerable › Vulnerabilities

CVE-2021-4139: Cross-site Scripting (XSS) - Stored in pimcore/pimcore

• Severity: critical (CVSS 9.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-21 · updated 2026-06-17
• Weakness: CWE-79

Description

pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products

• pimcore/pimcore: before 10.2.7 — fixed in 10.2.7

How to fix

Upgrade to a fixed version: pimcore/pimcore 10.2.7. Check the vendor advisory for mitigations.

References

• https://github.com/pimcore/pimcore/commit/d5c3e876d910784000335061c3bd24d301351245
• https://huntr.dev/bounties/6ec59e43-095f-4ba3-8b75-e92250da8e3a
• https://github.com/pimcore/pimcore/commit/d5c3e876d910784000335061c3bd24d301351245
• https://huntr.dev/bounties/6ec59e43-095f-4ba3-8b75-e92250da8e3a

Get alerted when CVE-2021-4139 or the next vulnerability affects your stack