CVE-2025-23039

CVE-2025-23039 is a medium-severity vulnerability with a CVSS 3.x base score of 5.2. 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

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-23039?
CVE-2025-23039 has a CVSS 3.x base score of 5.2, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-23039 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-23039?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-23039 have an EU (EUVD) identifier?
Yes. CVE-2025-23039 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-3090.
When was CVE-2025-23039 published?
CVE-2025-23039 was published on 2025-01-17 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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