What is CVE-2023-0827?

CVE-2023-0827 is a medium-severity vulnerability in Pimcore, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-14.

How severe is CVE-2023-0827?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-0827 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Pimcore

CVE-2023-0827

Cross-site Scripting (XSS) - Stored in GitHub repository pimcore/pimcore prior to 1.5.17.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Pimcore
Pimcore Pimcore/pimcore — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/75bc7d07-46a7-4ed9-a405-af4fc47fb422 (Exploit, Patch, Third Party Advisory)
github.com/pimcore/pimcore/commit/f4050586136cb4c44e3d6042111a1b87b340df95 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-0827?: CVE-2023-0827 is a medium-severity vulnerability in Pimcore, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-14.
How severe is CVE-2023-0827?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-0827 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.