CVE-2023-0733 Newsletter Popup <= 1.2 - Unauthenticated Stored XSS
Unauthenticated attackers can inject malicious scripts via unsanitized settings in the Newsletter Popup WordPress plugin, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-0733?
CVE-2023-0733 is a medium-severity cross-site scripting vulnerability in Unknown Newsletter Popup, published on 30 May 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some of its settings, which could allow unauthenticated users to perform Stored Cross-Site Scripting attacks
Which versions are affected by CVE-2023-0733?
It affects 1 product.
Products include Newsletter Popup Project Newsletter Popup.
How do I fix CVE-2023-0733?
No fix has been published for CVE-2023-0733 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-2023-0733 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0733 exists.
Other vulnerabilities in Unknown Newsletter Popup
Sources
Also known as GHSA-xc2c-p2fc-pq4v.