CVE-2024-6243 HTML Forms < 1.3.33 - Admin+ Stored XSS
Administrators can inject malicious scripts via form messages in HTML Forms plugin, bypassing unfiltered_html restrictions.
- 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-2024-6243?
CVE-2024-6243 is a medium-severity cross-site scripting vulnerability in Unknown HTML Forms , published on 22 Jul 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The HTML Forms WordPress plugin before 1.3.33 does not sanitize and escape the form message inputs, allowing high-privilege users, such as administrators, to perform Stored Cross-Site Scripting (XSS) attacks even when the unfiltered_html capability is disabled.
Weakness: CWE-79
Which versions are affected by CVE-2024-6243?
It affects 1 product.
Products include Linksoftwarellc Html Forms.
How do I fix CVE-2024-6243?
No fix has been published for CVE-2024-6243 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-2024-6243 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6243 exists.
Other vulnerabilities in Unknown HTML Forms
- CVE-2022-3689 HTML Forms < 1.3.25 - Admin+ SQLi
- CVE-2025-46236 WordPress HTML Forms plugin <= 1.5.2 - Cross Site Scripting (XSS) Vulnerability
- CVE-2024-6412 HTML Forms – Simple WordPress Forms Plugin < 1.3.34 - Bulk Delete via CSRF
- CVE-2023-50836 WordPress HTML Forms Plugin <= 1.3.28 is vulnerable to Cross Site Scripting (XSS)
Sources
Also known as GHSA-4r8x-26vf-3hx6.