CVE-2023-2995 Leyka < 3.30.4 - Admin+ Stored XSS
High-privilege users can inject malicious scripts via unsanitized settings in the Leyka WordPress plugin, affecting multisite environments.
- 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-2023-2995?
CVE-2023-2995 is a medium-severity cross-site scripting vulnerability in Unknown Leyka, published on 19 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Leyka WordPress plugin before 3.30.4 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)
Which versions are affected by CVE-2023-2995?
It affects 1 product.
Products include Te-St Leyka.
How do I fix CVE-2023-2995?
No fix has been published for CVE-2023-2995 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-2023-2995 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2995 exists.
Other vulnerabilities in Unknown Leyka
- CVE-2023-33325 WordPress Leyka Plugin <= 3.30.1 is vulnerable to Cross Site Scripting (XSS)
- CVE-2023-39314 WordPress Leyka Plugin <= 3.30.2 is vulnerable to Cross Site Scripting (XSS)
- CVE-2023-27450 WordPress Leyka Plugin <= 3.29.2 is vulnerable to Cross Site Scripting (XSS)
- CVE-2023-4917 Leyka <= 3.30.7 - Authenticated (Subscriber+) Sensitive Information Exposure
Sources
Also known as GHSA-6vm8-mfgv-3gj5.