CVE-2026-91833 WX Subscribe <= 1.2.1 - Unauthenticated SQLi via 'attach' Parameter

Medium 6.8 Published Updated

Unauthenticated attackers can perform SQL injection on WX Subscribe WordPress plugin installs where the payment key is not configured.

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-2026-91833?

CVE-2026-91833 is a medium-severity SQL injection vulnerability in Unknown WX Subscribe 微信支付付费订阅, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WX Subscribe 微信支付付费订阅 WordPress plugin through 1.2.1 does not sanitise and escape a parameter before using it in a SQL statement, allowing unauthenticated attackers to perform SQL injection attacks on installs where the payment key has not been configured.

Weakness: CWE-89

Which versions are affected by CVE-2026-91833?

How do I fix CVE-2026-91833?

No fix has been published for CVE-2026-91833 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-2026-91833 being exploited?

There is no known exploitation of CVE-2026-91833 in the wild and no public exploit code.

Sources

Also known as GHSA-7754-3v92-3h4v.

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