CVE-2025-23039 | Cross Site Scripting on URL decode Tooltip in Caido

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.

Published: 2025-01-17 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-23039 is rated Low Risk (30.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.10%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-23039

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-02-25 0.04% 0.10% +0.05%
2 2025-12-17 0.05% 0.04% -0.01%
3 2025-10-13 0.05%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-23039

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.2 3.1 MEDIUM
CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
1.5 3.6 [email protected]

Weakness enumeration for CVE-2025-23039

Affected software / configurations for CVE-2025-23039

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2025-23039

cvelogic Threat Intelligence