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Vulnerability record · CVE-2025-51662 · published 19 November 2025

CVE-2025-51662: Lanol filecodebox cross-site scripting vulnerability

LLanol · Filecodebox

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.

5.4 CVSS 3.1 Medium EPSS 0.17% · top 94.3% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.17%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-51662), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.