XSS in Caido

CVE-2025-23039

Caido is a web security auditing toolkit. A Cross-Site Scripting (XSS) vulnerability was identified in Caido v0.45.0 due to improper sanitization in the URL decoding tooltip of HTTP request and response editors. This issue could allow an attacker to execute arbitrary scripts, potentially leading to the theft of sensitive information. This issue has been addressed in version 0.45.1 and all users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.2 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (13.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-23039: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Caido — versions = 0.45.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-23039?
CVE-2025-23039 is a medium-severity vulnerability in Caido, classified under Cross-site Scripting. CVSS score: 5.2/10. Published 2025-01-17.
How severe is CVE-2025-23039?
Medium severity. CVSS v3 base score is 5.2 out of 10.
Is CVE-2025-23039 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.