Home/CVE/An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. An XSS attack can occur because JavaScript code can
CVE

CVE-2021-46875

An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. An XSS attack can occur because JavaScript code can

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.

MEDIUM · CVSS 6.1 EPSS 0.00542
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
ibexa ez platform kernel>= 1.2.0 and < 1.2.5.1
ibexa ez platform kernel>= 1.3.0 and < 1.3.1.1
ibexa ez platform kernel>= 6.13.0 and < 6.13.8.2
ibexa ez platform kernel>= 7.5.0 and < 7.5.15.2
▤

Affected Packages

2
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist ezsystems/ezplatform-kernel HIGH fixed in 1.2.5.1
Packagist ezsystems/ezpublish-kernel HIGH fixed in 6.13.8.2
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Mar 2023 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311bPatch
https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42PatchVendor Advisory
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