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Vulnerability details: VCID-93qx-tphk-qbhg
Vulnerability ID VCID-93qx-tphk-qbhg
Aliases CVE-2021-46875
GHSA-mrvj-7q4f-5p42
GMS-2021-111
GMS-2021-47
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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00542 https://api.first.org/data/v1/epss?cve=CVE-2021-46875
epss 0.00542 https://api.first.org/data/v1/epss?cve=CVE-2021-46875
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-mrvj-7q4f-5p42
generic_textual HIGH https://github.com/ezsystems/ezpublish-kernel
cvssv3.1 6.1 https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
generic_textual HIGH https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
ssvc Track https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
cvssv3.1 6.1 https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
cvssv3.1_qr HIGH https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
generic_textual HIGH https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
ssvc Track https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-46875
generic_textual HIGH https://packagist.org/packages/ezsystems/ezplatform-kernel#v1.2.5.1
generic_textual HIGH https://packagist.org/packages/ezsystems/ezpublish-kernel#v7.5.15.2
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-46875
https://github.com/ezsystems/ezpublish-kernel
https://nvd.nist.gov/vuln/detail/CVE-2021-46875
https://packagist.org/packages/ezsystems/ezplatform-kernel#v1.2.5.1
https://packagist.org/packages/ezsystems/ezpublish-kernel#v7.5.15.2
29fecd2afe86f763510f10c02f14962d028f311b https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
GHSA-mrvj-7q4f-5p42 https://github.com/advisories/GHSA-mrvj-7q4f-5p42
GHSA-mrvj-7q4f-5p42 https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T21:15:05Z/ Found at https://github.com/ezsystems/ezpublish-kernel/commit/29fecd2afe86f763510f10c02f14962d028f311b
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-03-04T21:15:05Z/ Found at https://github.com/ezsystems/ezpublish-kernel/security/advisories/GHSA-mrvj-7q4f-5p42
Exploit Prediction Scoring System (EPSS)
Percentile 0.68148
EPSS Score 0.00542
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:32:10.236138+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2021/46xxx/CVE-2021-46875.json 38.6.0