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CVE-2018-25339

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

CVSS 8.8 HIGHEPSS 0.3%CWE-89
Vexday Risk Score
41Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 8.8EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
17 May 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
Bylancer · Zechat
public PoCs found — 1
cve_referencewww.exploit-db.com/exploits/44685unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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