CVE-2024-51999
express improperly controls modification of query properties
Description
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error and is not a valid vulnerability. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage.
INFO
Published Date :
Dec. 1, 2025, 9:15 p.m.
Last Modified :
Dec. 2, 2025, 3:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update Express.js to a patched version.
- Ensure the query parser is configured securely.
- Review and sanitize all user-supplied query parameters.
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).
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CVE-2024-51999 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-51999 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.
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CVE Rejected by [email protected]
Dec. 02, 2025
Action Type Old Value New Value -
CVE Modified by [email protected]
Dec. 02, 2025
Action Type Old Value New Value Changed Description Express.js minimalist web framework for node. Prior to 5.2.0 and 4.22.0, when using the extended query parser in express ('query parser': 'extended'), the request.query object inherits all object prototype properties, but these properties can be overwritten by query string parameter keys that match the property names. This vulnerability is fixed in 5.2.0 and 4.22.0. Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate was issued in error and is not a valid vulnerability. Notes: All references and descriptions in this candidate have been removed to prevent accidental usage. Removed CVSS V4.0 GitHub, Inc.: AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Removed CWE GitHub, Inc.: CWE-915 Removed Reference GitHub, Inc.: https://github.com/expressjs/express/commit/2f64f68c37c64ae333e41ff38032d21860f22255 Removed Reference GitHub, Inc.: https://github.com/expressjs/express/releases/tag/4.22.0 Removed Reference GitHub, Inc.: https://github.com/expressjs/express/releases/tag/v5.2.0 Removed Reference GitHub, Inc.: https://github.com/expressjs/express/security/advisories/GHSA-pj86-cfqh-vqx6 -
New CVE Received by [email protected]
Dec. 01, 2025
Action Type Old Value New Value Added Description Express.js minimalist web framework for node. Prior to 5.2.0 and 4.22.0, when using the extended query parser in express ('query parser': 'extended'), the request.query object inherits all object prototype properties, but these properties can be overwritten by query string parameter keys that match the property names. This vulnerability is fixed in 5.2.0 and 4.22.0. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-915 Added Reference https://github.com/expressjs/express/commit/2f64f68c37c64ae333e41ff38032d21860f22255 Added Reference https://github.com/expressjs/express/releases/tag/4.22.0 Added Reference https://github.com/expressjs/express/releases/tag/v5.2.0 Added Reference https://github.com/expressjs/express/security/advisories/GHSA-pj86-cfqh-vqx6