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Vulnerability record · CVE-2018-25338 · published 17 May 2026

CVE-2018-25338: SQL injection vulnerability

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.

8.8 CVSS 4.0 High EPSS 0.27% · top 83.1% CWE-89 · SQL injection Deferred
8.8CVSS 4.0 base score
0.27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

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:

References

LinkTags
https://bylancer.com
https://www.exploit-db.com/exploits/44685
https://www.vulncheck.com/advisories/zechat-sql-injection-via-hashtag-parameter

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Source: NIST National Vulnerability Database (record CVE-2018-25338), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.