CVE-2024-3644 Newsletter Popup <= 1.2 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the Newsletter Popup plugin, bypassing unfiltered_html restrictions in multisite setups.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-3644?
CVE-2024-3644 is a medium-severity cross-site scripting vulnerability in Unknown Newsletter Popup, published on 16 May 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Weakness: CWE-79
Which versions are affected by CVE-2024-3644?
It affects 1 product.
Products include Mndpsingh287 Newsletter Popup.
How do I fix CVE-2024-3644?
No fix has been published for CVE-2024-3644 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-2024-3644 being exploited?
There is no known exploitation of CVE-2024-3644 in the wild and no public exploit code.
Other vulnerabilities in Unknown Newsletter Popup
Sources
Also known as GHSA-9hfh-q9rg-j934.