CVE-2021-24902 Typebot < 1.4.3 - Admin+ Stored Cross Site Scripting
High-privilege users can inject malicious scripts via the Publish ID setting in the Typebot WordPress plugin, potentially leading to session hijacking or site compromise.
- 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-2021-24902?
CVE-2021-24902 is a medium-severity cross-site scripting vulnerability in Unknown Typebot | Build beautiful conversational forms, published on 27 Dec 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Typebot | Build beautiful conversational forms WordPress plugin before 1.4.3 does not sanitise and escape the Publish ID setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Weakness: CWE-79
Which versions are affected by CVE-2021-24902?
It affects 1 product.
Products include Typebot Typebot.
How do I fix CVE-2021-24902?
No fix has been published for CVE-2021-24902 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-2021-24902 being exploited?
There is no known exploitation of CVE-2021-24902 in the wild and no public exploit code.
Other vulnerabilities in Unknown Typebot | Build beautiful conversational forms
- CVE-2025-64709 Typebot May Expose AWS EKS Credentials via Server Side Request Forgery in Webhook Block
- CVE-2024-30264 typebot.io: `GHSL-2024-040`
- CVE-2025-65098 Typebot Vulnerable to Credential Theft via Client-Side Script Execution and API Authorization Bypass
- CVE-2025-64706 Typebot IDOR Vulnerability: Unauthorized API Token Deletion and Exposure
Sources
Also known as GHSA-jv5v-53vg-gcm3.