# CVE-2021-24442: Poll, Survey, Questionnaire and Voting system < 1.5.3 - Unauthenticated Blind SQL Injection

> Unauthenticated attackers can perform blind SQL injection via the date_answers parameter in the Poll, Survey, Questionnaire and Voting system plugin.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Jul 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-rrj8-8872-rq8p

## What is CVE-2021-24442?

CVE-2021-24442 is a critical SQL injection vulnerability in wpdevart Poll, Survey, Questionnaire and Voting system, published on 12 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Poll, Survey, Questionnaire and Voting system WordPress plugin before 1.5.3 did not sanitise, escape or validate the date_answers[] POST parameter before using it in a SQL statement when sending a Poll result, allowing unauthenticated users to perform SQL Injection attacks

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-24442?

It affects 1 product.


Products: Wpdevart Poll\, Survey\, Questionnaire and Voting System.

## How do I fix CVE-2021-24442?

No fix has been published for CVE-2021-24442 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24442 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24442 exists.

Public exploit code:

- Wordpress Polls Widget < 1.5.3 - SQL Injection (nuclei): http/cves/2021/CVE-2021-24442.yaml

## Other vulnerabilities in wpdevart Poll, Survey, Questionnaire and Voting system

- [CVE-2022-34656](https://insights.sbomify.com/CVE-2022-34656/): Cross-site scripting in Poll, Survey, Questionnaire and Voting system (WordPress plugin) (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24442 and fix it if it is affected.

What it is: CVE-2021-24442 is a critical SQL injection vulnerability in wpdevart Poll, Survey, Questionnaire and Voting system, published on 12 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24442 exists.

Affected product: wpdevart Poll, Survey, Questionnaire and Voting system. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-24442/ (Markdown: https://insights.sbomify.com/CVE-2021-24442/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24442
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24442
- OSV: https://osv.dev/vulnerability/CVE-2021-24442

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24442/
Summaries are generated and may contain mistakes; the official description above is the record.