CVE-2024-9428 Popup Builder < 4.3.5 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in Popup Builder, enabling stored XSS attacks in multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-9428?
CVE-2024-9428 is a medium-severity cross-site scripting vulnerability in Unknown Popup Builder, published on 12 Dec 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Popup Builder WordPress plugin before 4.3.5 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Weakness: CWE-79
Which versions are affected by CVE-2024-9428?
It affects 1 product.
Products include Sygnoos Popup Builder.
How do I fix CVE-2024-9428?
No fix has been published for CVE-2024-9428 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-2024-9428 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-9428 exists.
Other vulnerabilities in Unknown Popup Builder
- CVE-2022-0479 Popup Builder < 4.1.1 - SQL Injection to Reflected Cross-Site Scripting
- CVE-2020-9006 SQL injection in n/a
- CVE-2019-14695 SQL injection in n/a
- CVE-2021-25082 Popup Builder < 4.0.7 - LFI to RCE
- CVE-2023-6696 Missing authorization in Popup Builder – Create highly converting, mobile friendly marketing popups.
Sources
Also known as GHSA-6p32-cp49-w842.