CVE-2018-25338 Zechat 1.5 SQL Injection via hashtag parameter

High 8.8 Published Updated

Unauthenticated attackers can extract database information via SQL injection in the hashtag parameter of Zechat.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-25338?

CVE-2018-25338 is a high-severity SQL injection vulnerability in Bylancer Zechat, published on 17 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-89

Which versions are affected by CVE-2018-25338?

How do I fix CVE-2018-25338?

No fix has been published for CVE-2018-25338 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2018-25338 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25338 exists.

Sources

Also known as GHSA-67j6-rmc9-jfxj.

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