CVE-2021-46875 json
Cross-site scripting in eZ Platform Kernel
published 2021-03-19 5 y ago modified 2026-06-17 4 mo ago also GHSA-mrvj-7q4f-5p42 , EUVD-2023-0981
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 34%
- public exploits
- 0
- none known
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.
Patch / fix
- packagist ezsystems/ezpublish-kernel 6.13.8.2, 7.5.15.2
- packagist ezsystems/ezplatform-kernel 1.2.5.1, 1.3.1.1
- ibexa ez_platform_kernel 1.2.5.1, 1.3.1.1, 6.13.8.2, 7.5.15.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | ezsystems/ezpublish-kernel | <6.13.8.2 >=7.0.0, <7.5.15.2 |
6.13.8.2 7.5.15.2 |
| packagist | ezsystems/ezplatform-kernel | <1.2.5.1 >=1.3.0, <1.3.1.1 |
1.2.5.1 1.3.1.1 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
web, patch
-
github.com
/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
web, patch, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-46875
advisory
-
github.com
/ezsystems/ezpublish-kernel
package
-
packagist.org
/packages/ezsystems/ezplatform-kernel#v1.2.5.1
web
-
packagist.org
/packages/ezsystems/ezpublish-kernel#v7.5.15.2
web
Sources
- CVE List CVE-2021-46875
- GitHub Advisory GHSA-mrvj-7q4f-5p42
- NVD CVE-2021-46875
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.