CVE-2025-51662
FileCodeBox Stored XSS
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.
INFO
Published Date :
Nov. 19, 2025, 8:15 p.m.
Last Modified :
Nov. 24, 2025, 7:40 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Validate and sanitize all shared text input.
- Encode output when displaying shared text.
- Implement a Content Security Policy.
- Update FileCodeBox to the latest version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-51662.
| URL | Resource |
|---|---|
| https://github.com/vastsa/FileCodeBox | Product |
| https://github.com/vastsa/FileCodeBox/issues/351 | Exploit Issue Tracking |
| https://github.com/vastsa/FileCodeBox/issues/351 | Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-51662 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-51662
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-51662 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-51662 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Nov. 24, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:lanol:filecodebox:*:*:*:*:*:*:*:* versions up to (including) 2.2 Added Reference Type MITRE: https://github.com/vastsa/FileCodeBox Types: Product Added Reference Type MITRE: https://github.com/vastsa/FileCodeBox/issues/351 Types: Exploit, Issue Tracking Added Reference Type CISA-ADP: https://github.com/vastsa/FileCodeBox/issues/351 Types: Exploit, Issue Tracking -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 20, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added Reference https://github.com/vastsa/FileCodeBox/issues/351 -
New CVE Received by [email protected]
Nov. 19, 2025
Action Type Old Value New Value Added 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. Added Reference https://github.com/vastsa/FileCodeBox Added Reference https://github.com/vastsa/FileCodeBox/issues/351