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CVE-2024-4350

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Date: August 8, 2024

Concrete CMS versions 9.0.0 to 9.3.2 and below 8.5.18 are vulnerable to Stored XSS in RSS Displayer when user input is stored and later embedded into responses. A rogue administrator could inject malicious code into fields due to insufficient input validation. The Concrete CMS security team gave this vulnerability a CVSS v4 score of 5.1 with vector https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NĀ Thanks, m3dium forĀ reporting. (CNA updated this risk rank on 17 Jan 2025 by lowering the AC based on CVSS 4.0 documentation that access privileges should not be considered for AC)

Language: PHP

Severity Score

Severity Score

Weakness Type (CWE)

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

CWE-79

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version concrete5/concrete5 - 8.5.18;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/postcss-and-vue-loader-8.4.31;concrete5/concrete5 - dev-release/9.1.3;concrete5/concrete5 - dev-release/8.5.9;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/multi-d74e9e8b49;concrete5/concrete5 - dev-release/9.0.2;concrete5/concrete5 - dev-feature/composer-php8-support;concrete5/concrete5 - dev-release/8.5.8;concrete5/concrete5 - dev-rename-concrete5-8.5;concrete5/concrete5 - dev-release/9.1.1;concrete5/concrete5 - dev-dependabot/npm_and_yarn/build/semver-5.7.2;concrete5/concrete5 - dev-release/8.5.7;concrete5/concrete5 - dev-release/8.5.5;concrete5/concrete5 - dev-release/9.0.1;concrete5/concrete5 - dev-release/9.1.2;concrete5/concrete5 - dev-release/8.5.3;concrete5/concrete5 - dev-release/8.5.1;concrete5/concrete5 - dev-9.2.x-dev;concrete5/concrete5 - 9.3.3;concrete5/concrete5 - dev-release/8.5.6;concrete5/concrete5 - dev-release/8.5.10;concrete5/concrete5 - dev-release/8.5.11;concrete5/concrete5 - dev-allow-install-php-8.2;concrete5/concrete5 - dev-release/9.2.1;concrete5/concrete5 - dev-release/8.5.4;concrete5/concrete5 - dev-release/8.5.12;concrete5/concrete5 - dev-8.4.x-dev;concrete5/concrete5 - dev-feature/9.1.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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