CVE-2021-24762 — Perfect Survey < 1.5.2 - Unauthenticated SQL Injection

Description

The Perfect Survey WordPress plugin before 1.5.2 does not validate and escape the question_id GET parameter before using it in a SQL statement in the get_question AJAX action, allowing unauthenticated users to perform SQL injection.

Affected products

Vendor	Product	Affected	Fixed
—	Perfect Survey	1.5.2 – < 1.5.2	1.5.2

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

WordPress Plugin Perfect Survey 1.5.1 SQLi (Unauthenticated)
auxiliary/scanner/http/wp_perfect_survey_sqli

Exploit-DB 1

WordPress Plugin Perfect Survey - 1.5.1 - SQLi (Unauthenticated) EDB-50766 · webapps · Feb 21, 2022

GitHub 2 repositories

c4cnm/Exploit_CVE-2021-24762 ★ 1 · Oct 15, 2025

This repo shows an exploit to CVE-2021-24762. This is an Blind SQLi exploit that, on default config, greps the admin password.
NT1410/CVE-2021-24762 ★ 0 · Mar 9, 2026

learning github

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

WordPress Perfect Survey <1.5.2 - SQL Injection http/cves/2021/CVE-2021-24762.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Perfect Survey < 1.5.2 - Unauthenticated SQL Injection