UpHeron
All vulnerabilities

Servers and applications

CVE-2021-39170

Improper Encoding or Escaping of Output in Asset Metadata Component & SEO Editor

Severity
Medium 5.4
Published
1 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.1.1, 10.1.2
Also known as
GHSA-2v88-qq7x-xq5f
Sources
NVD, Project advisories (GitHub)

Description

Pimcore is an open source data & experience management platform. Prior to version 10.1.2, an authenticated user could add XSS code as a value of custom metadata on assets. There is a patch for this issue in Pimcore version 10.1.2. As a workaround, users may apply the patch manually.

Affected software

SoftwareAffected versions
PimcoreServers and applications · cpe:a:pimcore:pimcore
  • Every version before 10.1.2
PimcoreServers and applications · github:pimcore/pimcore
  • Every version before 10.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-39170
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39170
  • GitHub Advisory Database https://github.com/advisories/GHSA-2v88-qq7x-xq5f
  • github.com https://github.com/pimcore/pimcore/security/advisories/GHSA-2v88-qq7x-xq5f