CVE-2024-53255: boidcms XSS — Exploit & Fix

Description

BoidCMS is a free and open-source flat file CMS for building simple websites and blogs, developed using PHP and uses JSON as a database. In affected versions a reflected Cross-site Scripting (XSS) vulnerability exists in the /admin?page=media endpoint in the file parameter, allowing an attacker to inject arbitrary JavaScript code. This code could be used to steal the user's session cookie, perform phishing attacks, or deface the website. This issue has been addressed in version 2.1.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
boidcms	boidcms	< 2.1.2

References

Advisories & Patches

https://github.com/BoidCMS/BoidCMS/commit/42f4d703a87f5199bbd701b3495a26c91b9cfab7 https://github.com/BoidCMS/BoidCMS/security/advisories/GHSA-7q7m-cgw8-px4r

Exploits

https://github.com/BoidCMS/BoidCMS/security/advisories/GHSA-7q7m-cgw8-px4r

Frequently Asked Questions

What is CVE-2024-53255? +

BoidCMS is a free and open-source flat file CMS for building simple websites and blogs, developed using PHP and uses JSON as a database. In affected versions a reflected Cross-site Scripting (XSS) vulnerability exists in the /admin?page=media endpoint in the file parameter, allowing an attacker to inject arbitrary JavaScript code. This code could be used to steal the user's session cookie, perform phishing attacks, or deface the website. This issue has been addressed in version 2.1.2 and all users are advised to upgrade. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2024-53255? +

CVE-2024-53255 has a CVSS v3.1 score of 5.4 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-2024-53255? +

CVE-2024-53255 affects products from boidcms, specifically: boidcms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-53255? +

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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