SQL Injection in Bylancer Zechat
CVE-2018-25338
Zechat 1.5 contains a SQL injection vulnerability in the hashtag parameter that allows unauthenticated attackers to extract database information using union-based techniques. Attackers can exploit the hashtag parameter with union-based payloads to retrieve table and column names.
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 (16.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.9% 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)
- www.exploit-db.com/exploits/44685 (exploit)
- www.vulncheck.com/advisories/zechat-sql-injection-via-hashtag-parameter (third-party-advisory)
Frequently asked questions
- What is CVE-2018-25338?
- CVE-2018-25338 is a high-severity vulnerability in Bylancer Zechat, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-05-17.
- How severe is CVE-2018-25338?
- High severity. CVSS v3 base score is 8.2 out of 10.