Review reviewHigh

CVE-2018-25382

Bylancer Zechat

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.

CVSS
8.8
EPSS
0.33%
25.9% percentile
CISA KEV
Not listed
Published
2026.05.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.33%
Technical severityCVSS 8.8

Vulnerability overview

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.

Affected product and versions

Product
Bylancer Zechat
Affected versions
>= 1.5
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Bylancer Zechat and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-89
CVE-2018-25382 — Bylancer Zechat | SECUFOCUS NOW