CVE-2023-3721 WP-EMail < 2.69.1 - Admin+ Stored Cross-Site Scripting
Admin users can inject malicious scripts via unsanitized settings in WP-EMail, 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-2023-3721?
CVE-2023-3721 is a medium-severity cross-site scripting vulnerability in Unknown WP-EMail, published on 14 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The WP-EMail WordPress plugin before 2.69.1 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-2023-3721?
It affects 1 product.
Products include Lesterchan Wp-Email.
How do I fix CVE-2023-3721?
No fix has been published for CVE-2023-3721 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-2023-3721 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3721 exists.
Sources
Also known as GHSA-f5m5-p2rg-3999.