CVE-2024-1246: Concrete CMS in version 9 before 9.2.5 is vulnerable to reflected XSS via the Image URL Import Feature
Concrete CMS in version 9 before 9.2.5 is vulnerable to reflected XSS via the Image URL Import Feature due to insufficient validation of administrator provided data. A rogue administrator could inject malicious code when importing images, leading to the execution of the malicious code on the website user’s browser. The Concrete CMS Security team scored this 2 with CVSS v3 vector AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator . This does not affect Concrete versions prior to version 9.
Other sources
Concrete CMS in version 9 before 9.2.5 is vulnerable to reflected XSS via the Image URL Import Feature due to insufficient validation of administrator provided data. A rogue administrator could inject malicious code when importing images, leading to the execution of the malicious code on the website user’s browser. The Concrete CMS Security team scored this 2 with CVSS v3 vector AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N. This does not affect Concrete versions prior to version 9.
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/concrete5/concrete5to a version that resolves this vulnerability.Fixed in 9.2.5 - Upgrade
Upgrade
Concrete CMSto a version that resolves this vulnerability.Fixed in 9.2.5 - Configuration
Remediate the reflected XSS issue in the Image URL Import Feature by adding sufficient validation/escaping for administrator-provided data used in the Image URL import workflow (issue exists in Concrete CMS 9 before 9.2.5).
Concrete CMS Image URL Import Feature reflected XSS input validation for administrator-provided data = insufficient validation (remediate)
Event History
Frequently Asked Questions
What is the severity of CVE-2024-1246?
CVE-2024-1246 is classified as a medium severity vulnerability due to the potential for reflected XSS attacks.
How do I fix CVE-2024-1246?
To fix CVE-2024-1246, upgrade Concrete CMS to version 9.2.5 or later.
Who is affected by CVE-2024-1246?
CVE-2024-1246 affects Concrete CMS versions prior to 9.2.5.
What type of vulnerability is CVE-2024-1246?
CVE-2024-1246 is a reflected cross-site scripting (XSS) vulnerability.
What could happen if CVE-2024-1246 is exploited?
If exploited, CVE-2024-1246 could allow a rogue administrator to execute malicious scripts via imported image URLs.