Vulnerability · Published Sep 18, 2026 · Assigned by VulnCheck

CVE-2023-54399Hongjing e-HR < 8.2 SQL Injection via /servlet/codesettree

Critical 9.8

In plain English

A critical-severity SQL injection in e-HR from Hongjing. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.7%top 45.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Hongjing e-HR before 8.2 contains a SQL injection vulnerability in the /servlet/codesettree endpoint where the categories query parameter is passed to a database query without sanitization after HRMS-encoding is stripped. An unauthenticated remote attacker can supply a crafted UNION SELECT payload to read arbitrary database content, including credential tables such as operuser. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.

Affected products (as reported)

Vendor	Product	Versions
Hongjing	e-HR	0 – before 8.2

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

CNVD-2023-08743 third-party-advisory
CN-SEC Blog exploit
CNblog exploit
CloudSEK Research technical-description
https://www.vulncheck.com/advisories/hongjing-e-hr-sql-injection-via-servlet-codesettree third-party-advisory