EUVD-2026-24120
Improper Input Validation (CWE-20)
GHSA-xp4p-9mc9-5c47
5.3
CVSS 3.1
Share
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Lifecycle Timeline
2
Analysis Generated
Apr 21, 2026 - 18:25 vuln.today
CVSS changed
Apr 21, 2026 - 18:22 NVD
5.3 (MEDIUM)
DescriptionNVD
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150.
AnalysisAI
Mozilla Firefox JavaScript Engine contains an improper input validation flaw that permits remote, unauthenticated information disclosure to attackers without user interaction. The vulnerability (CWE-20: Improper Input Validation) affects all versions prior to Firefox 150 and allows attackers to access sensitive data via a network-based attack with low complexity. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Share
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).