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Fencer Intel
medium 6.6

CVE-2021-4139 json

Cross-site Scripting (XSS) - Stored in pimcore/pimcore

published 4y ago modified 4mo ago also GHSA-8xx9-rxrj-2m2w , EUVD-2022-0537

cvss
6.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

pimcore is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Patch / fix

  • packagist pimcore/pimcore 10.2.7
  • pimcore pimcore/pimcore 10.2.7

Is CVE-2021-4139 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/6ec59e43-095f-4ba3-8b75-e92250da8e3a referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.6 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
NVD 3.1 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
GitHub 3.0 6.6 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

Affected packages

ecosystem package affected fixed in
packagist pimcore/pimcore
<10.2.7
10.2.7

Affected products

  • pimcore pimcore/pimcore

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.