XSS in Caido
CVE-2025-53834
Caido is a web security auditing toolkit. A reflected cross-site scripting (XSS) vulnerability was discovered in Caido’s toast UI component in versions prior to 0.49.0. Toast messages may reflect unsanitized user input in certain tools such as Match&Replace and Scope. This could allow an attacker to craft input that results in arbitrary script execution. Version 0.49.0 fixes the issue.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (12.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Caido — versions < 0.49.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-53834?
- CVE-2025-53834 is a medium-severity vulnerability in Caido, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2025-07-14.
- How severe is CVE-2025-53834?
- Medium severity. CVSS v3 base score is 6.3 out of 10.