SQL Injection in Bylancer Zechat
CVE-2018-25382
Zechat 1.5 contains an SQL injection vulnerability that allows unauthenticated attackers to extract database information by injecting SQL code through the uname parameter. Attackers can send crafted requests to profile.php with UNION-based SQL injection payloads to retrieve table names, column names, and sensitive data from the information_schema database.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 24.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Bylancer Zechat — versions 1.5
Weakness classification (CWE)
References
- bylancer.com/ (product)
- bylancer.com/products/zechat-php-script/index.php (product)
- www.exploit-db.com/exploits/45523 (exploit)
- www.vulncheck.com/advisories/zechat-sql-injection-via-uname-parameter (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25382?
- CVE-2018-25382 is a high-severity vulnerability in Bylancer Zechat, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-05-29.
- How severe is CVE-2018-25382?
- High severity. CVSS v3 base score is 8.2 out of 10.