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CVE-2025-51662

MEDIUM
5.4
CVSS Score
Published: November 19, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:35 AM UTC
2 products affected across 2 vendorsFilecodeboxFileCodeBox

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A stored cross-site scripting (XSS) vulnerability is found in the text sharing feature of FileCodeBox version 2.2 and earlier. Insufficient input validation allows attackers to inject arbitrary JavaScript code into shared text "codeboxes". The xss payload is automatically executed in the browsers of any users who try to access the infected codebox by clicking link or entering share code.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Product
Source: cverecord
https://github.com/vastsa/FileCodeBox
ExploitIssue Tracking
Source: cverecord
https://github.com/vastsa/FileCodeBox/issues/351

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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