CVE-2022-4984: ZenTao Biz < 6.5, Max < 3.0, & Open Source Edition 16.5/16.5beta1 SQL Injection via user-login.html

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-13 · updated 2026-10-23
Weakness: CWE-89

Description

ZenTao Biz < 6.5, ZenTao Max < 3.0, ZenTao Open Source Edition < 16.5, and ZenTao Open Source Edition < 16.5.beta1 contain an SQL injection vulnerability in the login functionality. The application does not properly validate the account parameter on /zentao/user-login.html before using it in a database query. A remote unauthenticated attacker can exploit this issue to execute crafted SQL expressions and retrieve sensitive information from the backend database, including user and application data. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-07 UTC.

Affected products

Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Biz: before 6.5 — fixed in 6.5
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Max: before 3.0 — fixed in 3.0
Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Open Source Edition: before 16.5; before 16.5.beta1 — fixed in 16.5, 16.5.beta1

How to fix

Upgrade to a fixed version: Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Biz 6.5; Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Max 3.0; Qingdao Esoft Tianchuang Network Technology Co., Ltd. ZenTao Open Source Edition 16.5, 16.5.beta1. Check the vendor advisory for mitigations.

References

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