What’s Vulnerable › Vulnerabilities

CVE-2021-4084: Cross-site Scripting (XSS) - Stored in pimcore/pimcore

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-10 · 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 10.2.6 — fixed in 10.2.6

How to fix

Upgrade to a fixed version: pimcore/pimcore 10.2.6. Check the vendor advisory for mitigations.

References

• https://github.com/pimcore/pimcore/commit/3c2a14e676a57e5d77a16255965988eef48f9065
• https://huntr.dev/bounties/dcb37f19-ba53-4498-b953-d21999279266
• https://github.com/pimcore/pimcore/commit/3c2a14e676a57e5d77a16255965988eef48f9065
• https://huntr.dev/bounties/dcb37f19-ba53-4498-b953-d21999279266

Get alerted when CVE-2021-4084 or the next vulnerability affects your stack