CVE-2022-2421: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

October 26, 2022 (updated January 27, 2026)

Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object.

References

csirt.divd.nl/cases/DIVD-2022-00045
csirt.divd.nl/cves/CVE-2022-2421
nvd.nist.gov/vuln/detail/CVE-2022-2421

Code Behaviors & Features

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