CVE-2021-24567 Simple Post <= 1.1 - Authenticated Stored Cross-Site Scripting (XSS)
Authenticated attackers can inject malicious scripts via stored XSS in the Simple Post WordPress plugin, potentially compromising user sessions.
- 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-2021-24567?
CVE-2021-24567 is a medium-severity cross-site scripting vulnerability in Unknown Simple Post, published on 16 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.
Weakness: CWE-79
Which versions are affected by CVE-2021-24567?
It affects 1 product.
Products include Nickmomrik Simple Post.
How do I fix CVE-2021-24567?
No fix has been published for CVE-2021-24567 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-2021-24567 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24567 exists.
Sources
Also known as GHSA-6552-h6m4-jfx9.