CVE-2023-23657 WordPress Mail Subscribe List Plugin <= 2.1.9 is vulnerable to Cross Site Scripting (XSS)
Authenticated contributors can inject malicious scripts via the Mail Subscribe List plugin, potentially leading to session hijacking or site defacement.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-23657?
CVE-2023-23657 is a medium-severity cross-site scripting vulnerability in Richard Leishman t/a Webforward Mail Subscribe List, published on 16 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Richard Leishman t/a Webforward Mail Subscribe List plugin <= 2.1.9 versions.
Weakness: CWE-79
Which versions are affected by CVE-2023-23657?
It affects 1 product.
Products include Webfwd Mail Subscribe List.
How do I fix CVE-2023-23657?
No fix has been published for CVE-2023-23657 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-2023-23657 being exploited?
There is no known exploitation of CVE-2023-23657 in the wild and no public exploit code.
Other vulnerabilities in Richard Leishman t/a Webforward Mail Subscribe List
Sources
Also known as GHSA-x33w-9667-c259.