CVE-2023-4308 User Submitted Posts <= 20230809 - Unauthenticated Stored Cross-Site Scripting via 'user-submitted-content'
Unauthenticated attackers can inject arbitrary web scripts via the user-submitted-content parameter, leading to stored XSS execution on victim pages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4308?
CVE-2023-4308 is a high-severity cross-site scripting vulnerability in specialk User Submitted Posts – Enable Users to Submit Posts from the Front End, published on 15 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2023-4308?
It affects 1 product.
Products include Plugin-Planet User Submitted Posts.
How do I fix CVE-2023-4308?
No fix has been published for CVE-2023-4308 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-2023-4308 being exploited?
There is no known exploitation of CVE-2023-4308 in the wild and no public exploit code.
Other vulnerabilities in specialk User Submitted Posts – Enable Users to Submit Posts from the Front End
- CVE-2019-25138 User Submitted Posts <= 20190312 - Unauthenticated Arbitrary File Upload
- CVE-2023-45603 WordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File Upload
- CVE-2023-4779 Cross-site scripting in User Submitted Posts – Enable Users to Submit Posts from the Front End
- CVE-2016-11001 Cross-site scripting in n/a
- CVE-2024-5002 User Submitted Posts < 20240516 - Admin+ Stored XSS
Sources
Also known as GHSA-cxw2-5qm7-6j42.