CVE-2024-4045 Cross-site scripting in Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation
Authenticated attackers can inject arbitrary scripts via the campaign_id parameter, leading to stored XSS execution on victim pages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-4045?
CVE-2024-4045 is a medium-severity cross-site scripting vulnerability in smub Popup Builder & Popup Maker for WordPress – OptinMonster Email Marketing and Lead Generation, published on 25 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘campaign_id’ parameter in versions up to, and including, 2.16.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, 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-2024-4045?
It affects 1 product.
Products include Optinmonster Optinmonster.
How do I fix CVE-2024-4045?
No fix has been published for CVE-2024-4045 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-2024-4045 being exploited?
There is no known exploitation of CVE-2024-4045 in the wild and no public exploit code.