🛡️ CVE-2021-39166 — pimcore

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-79 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Improper Neutralization of Text-Values in Object Version Preview

Text-values were not properly escaped before printed in the version preview. This allowed XSS by authenticated users with access to the resources.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2021-39166 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2021-39166 is recorded against 1 package.

  • pimcore/pimcore (fixed in 10.1.2)

Timeline and source

Published on 1 September 2021 and last revised on 8 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2021-09-01
Updated 2026-08-12
Modified 2026-07-08
Fix URL N/A

Affected Packages

Software From version Fixed in
pimcore/pimcore — 10.1.2

Similar Threats

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