CVE-2018-25339

HIGH 8.2

Zechat 1.5 SQL Injection via v parameter (time-based blind)

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

Zechat 1.5 contains a SQL injection vulnerability in the v parameter that allows unauthenticated attackers to extract database information using time-based blind techniques. Attackers can exploit the v parameter with sleep-based blind injection to confirm vulnerability and extract data.

CWE	CWE-89
Vendor	bylancer
Product	zechat
Published	May 17, 2026
Last Updated	May 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

Bylancer / Zechat

1.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/44685 bylancer.com: https://bylancer.com vulncheck.com: https://www.vulncheck.com/advisories/zechat-sql-injection-via-v-parameter-time-based-blind

Credits

Borna nematzadeh (L0RD) or [email protected]