CVE-2021-4139
Cross-site Scripting (XSS) - Stored in pimcore/pimcore
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
6.6
Cross-site Scripting (XSS) - Stored in pimcore/pimcore
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4139- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2022-0537
6.6
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
EUVD-2022-0537- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8xx9-rxrj-2m2w
6.6
Cross-site Scripting in pimcore
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
GHSA-8xx9-rxrj-2m2w- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
9.0
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4139- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
9.0
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4139- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-8xx9-rxrj-2m2w
6.6
Cross-site Scripting in pimcore
pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
GHSA-8xx9-rxrj-2m2w- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pimcore/pimcorePackagist |
before 10.2.7 | 10.2.7 |
pimcore/pimcorePackagist |
before 10.2.7, plus listed versions 10.0.82.2.02.2.12.2.22.3.0 Show 45 moreShow less3.0.03.0.13.0.23.0.33.0.43.0.53.0.63.1.03.1.14.0.04.0.14.1.04.1.14.1.24.1.34.2.04.3.04.3.14.4.04.4.14.4.24.4.34.5.04.6.04.6.14.6.24.6.34.6.44.6.5v10.0.0v10.0.0-BETA1v10.0.0-BETA2v10.0.0-BETA3v10.0.0-BETA4v10.0.1v10.0.2v10.0.3v10.0.4v10.0.5v10.0.6v10.0.7v10.0.9v10.1.0v10.1.1v10.1.2 |
10.2.7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-4139 is a medium vulnerability (CVSS 6.6) in Pimcore, published December 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.91%, the 60th percentile. Fixed in pimcore/pimcore 10.2.7.
References
Left out here: 121 versions. The JSON record has them.