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

published 2021-12-21 4 y ago modified 2026-06-17 4 mo 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

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

Patch / fix

fixed in 2 links 1

packagist pimcore/pimcore 10.2.7
pimcore pimcore/pimcore 10.2.7

github.com/pimcore/pimcore@d5c3e87 commit

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

github.com /pimcore/pimcore/commit/d5c3e876d910784000335061c3bd24d301351245
web, patch, third-party-advisory
huntr.dev /bounties/6ec59e43-095f-4ba3-8b75-e92250da8e3a
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-4139
advisory
github.com /pimcore/pimcore
package

Sources

CVE List CVE-2021-4139
GitHub Advisory GHSA-8xx9-rxrj-2m2w
NVD CVE-2021-4139

Fencer Vulns 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.

Summary