CVE-2021-24360: Yes/No Chart < 1.0.12 - Authenticated (contributor+) Blind SQL Injection

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-06-14 · updated 2026-06-17
Weakness: CWE-89

Description

The Yes/No Chart WordPress plugin before 1.0.12 did not sanitise its sid shortcode parameter before using it in a SQL statement, allowing medium privilege users (contributor+) to perform Blind SQL Injection attacks

Affected products

Yes/No Chart: before 1.0.12 — fixed in 1.0.12

How to fix

Upgrade to a fixed version: Yes/No Chart 1.0.12. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/d9586453-cc5c-4d26-bb45-a6370c9427fe
https://wpscan.com/vulnerability/d9586453-cc5c-4d26-bb45-a6370c9427fe

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