CVE-2021-24651: Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-11 · updated 2026-06-17
Weakness: CWE-89

Description

The Poll Maker WordPress plugin before 3.4.2 allows unauthenticated users to perform SQL injection via the ays_finish_poll AJAX action. While the result is not disclosed in the response, it is possible to use a timing attack to exfiltrate data such as password hash.

Affected products

Ays Pro Poll Maker: before 3.4.2 — fixed in 3.4.2

How to fix

Upgrade to a fixed version: Ays Pro Poll Maker 3.4.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/24f933b0-ad57-4ed3-817d-d637256e2fb1
https://wpscan.com/vulnerability/24f933b0-ad57-4ed3-817d-d637256e2fb1

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