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Vulnerability record · CVE-2021-46875 · published 12 March 2023

CVE-2021-46875: Ibexa ez platform kernel cross-site scripting vulnerability

Ibexa · Ez Platform Kernel

An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. An XSS attack can occur because JavaScript code can be uploaded in a .html or .js file.

6.1 CVSS 3.1 Medium EPSS 0.40% · top 68.6% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. An XSS attack can occur because JavaScript code can be uploaded in a .html or .js file.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b Patch
https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42 PatchVendor Advisory
https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b Patch
https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-48367Ibexa digital experience platform missing authorization vulnerabilityAn issue was discovered in eZ Publish Ibexa Kernel before 7.5.28. Access control based on object state is mishandled.EPSS 0.72%9.8CVE-2022-25337Ibexa ez platform kernel injection vulnerabilityIbexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows injection attacks via image filenames.EPSS 1.1%7.2CVE-2022-48365Ibexa digital experience platform improper privilege management vulnerabilityAn issue was discovered in eZ Platform Ibexa Kernel before 1.3.26. The Company admin role gives excessive privileges.EPSS 0.86%5.3CVE-2021-46876Ibexa ez platform kernel observable discrepancy vulnerabilityAn issue was discovered in eZ Publish Ibexa Kernel before 7.5.15.1. The /user/sessions endpoint can be abused to determine account existence.EPSS 0.51%5.3CVE-2022-25336Ibexa ez platform kernel insecure direct object reference vulnerabilityIbexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows Insecure Direct Object Reference (IDOR) attacks against image…EPSS 0.71%3.7CVE-2022-48366Ibexa commerce race condition vulnerabilityAn issue was discovered in eZ Platform Ibexa Kernel before 1.3.19. It allows determining account existence via a timing attack.EPSS 0.46%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed

Source: NIST National Vulnerability Database (record CVE-2021-46875), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.