CVE-2024-23724: ghost XSS — Exploit & Fix

Description

Ghost through 5.76.0 allows stored XSS, and resultant privilege escalation in which a contributor can take over any account, via an SVG profile picture that contains JavaScript code to interact with the API on localhost TCP port 3001. NOTE: The discoverer reports that "The vendor does not view this as a valid vector."

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CVSS v3.1 Score

9.0

CRITICAL

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
ghost	ghost	< 5.76.0

References

Advisories & Patches

https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2024-23724 https://github.com/TryGhost/Ghost/pull/19646 https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2024-23724 https://github.com/TryGhost/Ghost/pull/19646

Exploits

https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2024-23724 https://github.com/RhinoSecurityLabs/CVEs/tree/master/CVE-2024-23724

Other References

https://rhinosecuritylabs.com/blog/ https://rhinosecuritylabs.com/blog/

Frequently Asked Questions

What is CVE-2024-23724? +

Ghost through 5.76.0 allows stored XSS, and resultant privilege escalation in which a contributor can take over any account, via an SVG profile picture that contains JavaScript code to interact with the API on localhost TCP port 3001. NOTE: The discoverer reports that "The vendor does not view this as a valid vector." It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2024-23724? +

CVE-2024-23724 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-23724? +

CVE-2024-23724 affects products from ghost, specifically: ghost. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-23724? +

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-2024-23724