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TI-2021-21543 Aliases CVE-2021-46875GHSA-mrvj-7q4f-5p42

An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1.

Priority LOW 27CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00398 34th percentileScored 2026-11-07
Fix Fixed ezsystems/ezpublish-kernel (Packagist): 6.13.8.2, 7.5.15.2ezsystems/ezplatform-kernel (Packagist): 1.2.5.1, 1.3.1.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—ezsystems/ezpublish-kernel (Packagist)before 6.13.8.26.13.8.2Patch availableGHSA-mrvj-7q4f-5p42
—ezsystems/ezpublish-kernel (Packagist)7.0.0 to before 7.5.15.27.5.15.2Patch availableGHSA-mrvj-7q4f-5p42
—ezsystems/ezplatform-kernel (Packagist)before 1.2.5.11.2.5.1Patch availableGHSA-mrvj-7q4f-5p42
—ezsystems/ezplatform-kernel (Packagist)1.3.0 to before 1.3.1.11.3.1.1Patch availableGHSA-mrvj-7q4f-5p42
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • ezsystems/ezpublish-kernel (Packagist) Vendor— Affected before 6.13.8.2 Fixed in 6.13.8.2 Patch available GHSA-mrvj-7q4f-5p42
  • ezsystems/ezpublish-kernel (Packagist) Vendor— Affected 7.0.0 to before 7.5.15.2 Fixed in 7.5.15.2 Patch available GHSA-mrvj-7q4f-5p42
  • ezsystems/ezplatform-kernel (Packagist) Vendor— Affected before 1.2.5.1 Fixed in 1.2.5.1 Patch available GHSA-mrvj-7q4f-5p42
  • ezsystems/ezplatform-kernel (Packagist) Vendor— Affected 1.3.0 to before 1.3.1.1 Fixed in 1.3.1.1 Patch available GHSA-mrvj-7q4f-5p42

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:ibexa:ez_platform_kernel:*:*:*:*:*:*:*:*1.2.0 to before 1.2.5.1; 1.3.0 to before 1.3.1.1; 6.13.0 to before 6.13.8.2; 7.5.0 to before 7.5.15.2Vulnerableibexa
  • cpe:2.3:o:ibexa:ez_platform_kernel:*:*:*:*:*:*:*:* Versions 1.2.0 to before 1.2.5.1; 1.3.0 to before 1.3.1.1; 6.13.0 to before 6.13.8.2; 7.5.0 to before 7.5.15.2 Vulnerable ·ibexa

Remediation

  • Fix · GHSA-mrvj-7q4f-5p42 ezsystems/ezpublish-kernel (Packagist) Fixed in 6.13.8.2 Advisory →
  • Fix · GHSA-mrvj-7q4f-5p42 ezsystems/ezpublish-kernel (Packagist) Fixed in 7.5.15.2 Advisory →
  • Fix · GHSA-mrvj-7q4f-5p42 ezsystems/ezplatform-kernel (Packagist) Fixed in 1.2.5.1 Advisory →
  • Fix · GHSA-mrvj-7q4f-5p42 ezsystems/ezplatform-kernel (Packagist) Fixed in 1.3.1.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46875
  2. 2026-10-03 Alias added: GHSA-mrvj-7q4f-5p42

References

Patch 2

Advisory 1

Other 3

  • TI-2022-23981 An issue was discovered in eZ Publish Ibexa Kernel before 7.5.28. CVSS 3.1CRITICAL 9.8
  • TI-2022-09029 Ibexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows… CVSS 3.1CRITICAL 9.8
  • TI-2022-23979 An issue was discovered in eZ Platform Ibexa Kernel before 1.3.26. CVSS 3.1HIGH 7.2
  • TI-2021-21544 An issue was discovered in eZ Publish Ibexa Kernel before 7.5.15.1. CVSS 3.1MEDIUM 5.3
  • TI-2022-09028 Ibexa DXP ezsystems/ezpublish-kernel 7.5.x before 7.5.26 and 1.3.x before 1.3.12 allows… CVSS 3.1MEDIUM 5.3
  • TI-2022-23980 An issue was discovered in eZ Platform Ibexa Kernel before 1.3.19. CVSS 3.1LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences