CVE-2024-45962 October allows an admin account to upload PDF containing malicious JavaScript

What is CVE-2024-45962?

CVE-2024-45962 is a medium-severity cross-site scripting vulnerability in Octobercms October, published on 2 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

October 3.6.30 allows an authenticated admin account to upload a PDF file containing malicious JavaScript into the target system. If the file is accessed through the website, it could lead to a Cross-Site Scripting (XSS) attack or execute arbitrary code via a crafted JavaScript to the target.

Weakness: CWE-79

Which versions are affected by CVE-2024-45962?

2 open source packages ship an affected version, including october/october. It affects 1 product.

Products include Octobercms October.

How do I fix CVE-2024-45962?

No fix has been published for CVE-2024-45962 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-45962 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-45962 exists.

Other vulnerabilities in Octobercms October

• CVE-2021-32648 October CMS Improper Authentication Exploited High 8.2
• CVE-2021-3311 October CMS Session ID not invalidated after logout Critical 9.8
• CVE-2017-1000194 October CMS File Upload Vulnerability Critical 9.8
• CVE-2017-1000196 Code injection in n/a Critical 9.8
• CVE-2017-1000197 Path traversal in n/a Critical 9.8

All Octobercms October vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hxpp-g76m-qhvg.