CVE-2024-3754 Alemha Watermarker <= 1.3.1 - Author+ Stored XSS
High-privilege users can inject malicious scripts via unsanitized settings in the Alemha Watermarker plugin, bypassing unfiltered_html restrictions in multisite setups.
- 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-2024-3754?
CVE-2024-3754 is a medium-severity cross-site scripting vulnerability in Unknown Alemha watermarker, published on 14 Jun 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
The Alemha watermarker WordPress plugin through 1.3.1 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-2024-3754?
It affects 1 product.
Products include Mnbaa Alemha Watermark.
How do I fix CVE-2024-3754?
No fix has been published for CVE-2024-3754 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-2024-3754 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-3754 exists.
Sources
Also known as GHSA-p6w3-wwm6-ww82.