CVE-2021-24902
CVE-2021-24902 is a medium-severity vulnerability in Typebot with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Typebot
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-24902?
- 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.
- How severe is CVE-2021-24902?
- CVE-2021-24902 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24902 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24902?
- CVE-2021-24902 affects Typebot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24902?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24902 published?
- CVE-2021-24902 was published on 2021-12-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:typebot:typebot:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Typebot
- CVE-2025-64709 — Critical (CVSS 9.6): Typebot is an open-source chatbot builder. In versions prior to 3.13.1, a Server-Side Request Forgery (SSRF)…
- CVE-2024-30264 — High (CVSS 8.1): Typebot is an open-source chatbot builder. A reflected cross-site scripting (XSS) in the sign-in page of typebot.io…
- CVE-2025-65098 — High (CVSS 7.4): Typebot is an open-source chatbot builder. In versions prior to 3.13.2, client-side script execution in Typebot allows…
- CVE-2025-64706 — Medium (CVSS 5.0): Typebot is an open-source chatbot builder. In version 3.9.0 up to but excluding version 3.13.0, an Insecure Direct…
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →