CVE-2026-91833

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

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.

Affected

WX Subscribe 微信支付付费订阅

CVSS v3.1 CISA-ADP

6.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

EPSS

0.22% chance of exploitation in the next 30 days, 11th percentile

Published

2026-10-16

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/1086b82e-1105-4484-a49b-456ed5f45bf8/

References

• CVE Record
• NVD entry