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

published 2023-04-27 3 y ago modified 2026-06-17 4 mo ago also GHSA-9q7q-r54q-3f3g , EUVD-2023-1257

cvss: 5.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

Cross-site Scripting (XSS) - DOM in GitHub repository pimcore/pimcore prior to 10.5.21.

Patch / fix

fixed in 2 links 2

packagist pimcore/pimcore 10.5.21
pimcore pimcore/pimcore 10.5.21

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-30)

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/2fa17227-a717-4b66-ab5a-16bffbb4edb2 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.2	CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	pimcore/pimcore	<10.5.21	10.5.21

Affected products

pimcore pimcore/pimcore

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /pimcore/pimcore/commit/f1d904094700b513c4756904fa2b1e19d08d890e
web, patch
huntr.dev /bounties/2fa17227-a717-4b66-ab5a-16bffbb4edb2
web, exploit, patch
github.com /pimcore/pimcore/security/advisories/GHSA-9q7q-r54q-3f3g
web
nvd.nist.gov /vuln/detail/CVE-2023-2343
advisory
github.com /pimcore/pimcore
package

Sources

CVE List CVE-2023-2343
GitHub Advisory GHSA-9q7q-r54q-3f3g
NVD CVE-2023-2343

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