Improper Encoding or Escaping of Output in Asset Metadata Component
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
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | pimcore/pimcore | < 10.1.2 | 10.1.2 |
References
- https://github.com/pimcore/pimcore/security/advisories/GHSA-2v88-qq7x-xq5f
- https://nvd.nist.gov/vuln/detail/CVE-2021-39170
- https://github.com/pimcore/pimcore/pull/10178
- https://github.com/pimcore/pimcore/pull/10178.patch
- https://github.com/pimcore/pimcore/pull/10206
- https://github.com/pimcore/pimcore
- https://huntr.dev/bounties/c3e4cf79-a4b5-4982-af27-729f66281501
- https://huntr.dev/bounties/e4cb9cd8-89cf-427c-8d2e-37ca40099bf2
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-116, CWE-79- Platform
- Composer
- Package
pimcore/pimcore- Disclosed
- 01.09.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2v88-qq7x-xq5f - CC BY 4.0
Vulnerability history: pimcore/pimcore
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 135
- First → latest
- 12.2019 09.2026
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- Critical 5
- High 40
- Medium 90
Disclosures per year
- 2019: 1
- 2020: 0
- 2021: 11
- 2022: 43
- 2023: 59
- 2024: 3
- 2025: 2
- 2026: 16
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Improper Encoding or Escaping of Output in Asset Metadata Component this entry
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