CVE-2024-1246: concrete cms Input Validation Flaw — Fix

Description

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.

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CVSS v3.1 Score

2.0

LOW

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
concretecms	concrete_cms	9.0.0 — 9.2.5

References

Advisories & Patches

https://documentation.concretecms.org/9-x/developers/introduction/version-history/925-release-notes https://www.concretecms.org/about/project-news/security/2024-02-04-security-advisory https://documentation.concretecms.org/9-x/developers/introduction/version-history/925-release-notes https://www.concretecms.org/about/project-news/security/2024-02-04-security-advisory

Frequently Asked Questions

What is CVE-2024-1246? +

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. It has a CVSS v3.1 base score of 2.0 (LOW).

How severe is CVE-2024-1246? +

CVE-2024-1246 has a CVSS v3.1 score of 2.0 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2024-1246? +

CVE-2024-1246 affects products from concretecms, specifically: concrete_cms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1246? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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