CVE-2024-45612: contao Input Validation Flaw — Fix

Description

Contao is an Open Source CMS. In affected versions an untrusted user can inject insert tags into the canonical tag, which are then replaced on the web page (front end). Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to upgrade should disable canonical tags in the root page settings.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-74 CWE-74

Affected Products

Vendor	Product	Versions
contao	contao	4.13.0 — 4.13.49
contao	contao	5.3.0 — 5.3.15
contao	contao	5.4.0 — 5.4.3

References

Advisories & Patches

https://contao.org/en/security-advisories/insert-tag-injection-via-canonical-urls https://github.com/contao/contao/security/advisories/GHSA-2xpq-xp6c-5mgj

Frequently Asked Questions

What is CVE-2024-45612? +

Contao is an Open Source CMS. In affected versions an untrusted user can inject insert tags into the canonical tag, which are then replaced on the web page (front end). Users are advised to update to Contao 4.13.49, 5.3.15 or 5.4.3. Users unable to upgrade should disable canonical tags in the root page settings. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2024-45612? +

CVE-2024-45612 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-45612? +

CVE-2024-45612 affects products from contao, specifically: contao. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-45612? +

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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CVE-2024-45612