CVE-2021-46875

MEDIUMNVD 6.16.1—

6.1

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 v3: 6.1
EG Score: 6.1(medium)
EPSS: 67.9%
KEV: Not listed

Published

March 12, 2023

Last Modified

March 4, 2025

References (4)

cve@mitrehttps://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
cve@mitrehttps://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
af854a3a-2127-422b-91ae-364da2661108https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
af854a3a-2127-422b-91ae-364da2661108https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42

Affected Packages

(2 across 1 ecosystem)

Packagist(2)

Package	Vulnerable range	Fixed in	Dependents
ezsystems/ezplatform-kernel	v1.3.0, v1.3.1	1.3.1.1	—
ezsystems/ezpublish-kernel	v7.0.0 ... v7.5.9.1 (69 versions)	7.5.15.2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 05:25 UTCEG score recompute
2026-05-23 21:35 UTCOSV refresh

Frequently asked(5)

What is CVE-2021-46875?

CVE-2021-46875 is a medium vulnerability published on March 12, 2023. 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.

When was CVE-2021-46875 disclosed?

CVE-2021-46875 was first published in the National Vulnerability Database on March 12, 2023, with the most recent update on March 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-46875 actively exploited?

CVE-2021-46875 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-46875?

CVE-2021-46875 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2021-46875?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-46875, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-46875

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