CVE-2026-91833 WX Subscribe CVE debrief

Who should care

Defenders responsible for WordPress installations with the WX Subscribe 微信支付付费订阅 plugin should assess exposure and verify the payment key configuration to prevent SQL injection attacks. Defenders should prioritize verifying the payment key configuration and sanitizing user input to prevent SQL injection attacks. The vulnerability requires sanitizing user input to prevent SQL injection attacks. Defenders must verify payment key configuration to prevent SQL

Why it matters

The WX Subscribe 微信支付付费订阅 WordPress plugin vulnerability allows unauthenticated SQL injection attacks on unconfigured payment key installs, requiring defenders to verify configurations and sanitize user input.

• Unauthenticated attackers can perform SQL injection attacks on vulnerable installs
• SQL injection attacks can lead to data breaches or unauthorized access
• Defenders must verify payment key configuration to prevent exploitation
• Vulnerability requires sanitizing user input to prevent SQL injection attacks

Technical summary

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. The vulnerability can be exploited by unauthenticated attackers, potentially leading to data breaches or unauthorized access. The vulnerability requires sanitizing user input to prevent SQL injection attacks. Defenders should prioritize verifying the payment key configuration and sanitizing user input to prevent SQL injection attacks.

Defensive priority

Defenders should prioritize verifying the payment key configuration and sanitizing user input to prevent SQL injection attacks.

Recommended defensive actions

• Verify the payment key configuration for the WX Subscribe 微信支付付费订阅 WordPress plugin
• Sanitize user input to prevent SQL injection attacks
• Monitor for potential SQL injection attacks on unconfigured payment key installs
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability was reported by [email protected] and is documented in the NVD vulnerability detail page. 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. The vulnerability allows unauthenticated attackers to perform SQL injection attacks on installs where the payment key has not been configured.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.