CVE-2024-55888 Content Security Policy appears to be missing in software and production setup
Missing Content Security Policy headers in Hush Line allow attackers to bypass cross-site scripting filters, potentially enabling XSS attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-55888?
CVE-2024-55888 is a high-severity vulnerability in scidsg hushline, published on 12 Dec 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
Hush Line is an open-source whistleblower management system. Starting in version 0.1.0 and prior to version 0.3.5, the productions server appeared to have been misconfigured and missed providing any content security policy or security headers. This could result in bypassing of cross-site scripting filters. Version 0.3.5 fixed the issue.
Weakness: CWE-1021
Which versions are affected by CVE-2024-55888?
How do I fix CVE-2024-55888?
No fix has been published for CVE-2024-55888 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-55888 being exploited?
There is no known exploitation of CVE-2024-55888 in the wild and no public exploit code.
Sources
Also known as GHSA-m592-g8qv-hrqx.