SameSite Attribute vulnerability in pimCore

published 2023-02-13 3 y ago modified 2026-06-17 4 mo ago also GHSA-r2vq-p658-p274 , EUVD-2023-0782

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

An improper SameSite Attribute vulnerability in pimCore v10.5.15 allows attackers to execute arbitrary code.

Patch / fix

fixed in 1

packagist pimcore/pimcore 10.5.16

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 19 mo ago (2025-03-21)

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/pimcore/pimCore-10.5.15 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	pimcore/pimcore	<10.5.16	10.5.16

Classification

Weakness

CWE-1265 Unintended Reentrant Invocation of Non-reentrant Code Via Nested Calls

References

github.com /nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/pimcore/pimCore-10.5.15
web, exploit, third-party-advisory
portswigger.net /web-security/csrf/bypassing-samesite-restrictions
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-25240
advisory
github.com /pimcore/pimcore
package

Sources

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