CVE-2023-23995 WordPress TinyMCE Custom Styles Plugin <= 1.1.2 is vulnerable to Cross Site Scripting (XSS)
An authenticated admin can inject malicious scripts via the TinyMCE Custom Styles plugin, potentially compromising user sessions or site integrity.
- 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-2023-23995?
CVE-2023-23995 is a medium-severity cross-site scripting vulnerability in Tim Reeves & David Stöckl TinyMCE Custom Styles, published on 25 Apr 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Tim Reeves & David Stöckl TinyMCE Custom Styles plugin <= 1.1.2 versions.
Weakness: CWE-79
Which versions are affected by CVE-2023-23995?
It affects 1 product.
Products include Tinymce Custom Styles Project Tinymce Custom Styles.
How do I fix CVE-2023-23995?
No fix has been published for CVE-2023-23995 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-2023-23995 being exploited?
There is no known exploitation of CVE-2023-23995 in the wild and no public exploit code.
Other vulnerabilities in Tim Reeves & David Stöckl TinyMCE Custom Styles
Sources
Also known as GHSA-7cp4-jcp5-8wrp.