What’s Vulnerable › Vulnerabilities

CVE-2018-25339: Zechat 1.5 SQL Injection via v parameter (time-based blind)

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-17 · updated 2026-06-17
• Weakness: CWE-89

Description

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.

Affected products

• Bylancer Zechat: 1.5

References

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

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