What is CVE-2026-28445?

CVE-2026-28445 is a high-severity vulnerability in Baptistearno Typebot.io, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-05-22.

How severe is CVE-2026-28445?

High severity. CVSS v3 base score is 8.7 out of 10.

XSS in Baptistearno Typebot.io

CVE-2026-28445

Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the RatingButton component in the embed package renders the user-controlled customIcon.svg field directly via Solid's innerHTML directive without any sanitization, even thoug…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (9.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Baptistearno Typebot.io — versions < 3.16.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-28445?: CVE-2026-28445 is a high-severity vulnerability in Baptistearno Typebot.io, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-05-22.
How severe is CVE-2026-28445?: High severity. CVSS v3 base score is 8.7 out of 10.