# CVE-2021-34635: Poll Maker <= 3.2.8 - Reflected Cross-Site Scripting

> Attackers can inject arbitrary web scripts via the mcount parameter in the Poll Maker WordPress plugin, potentially compromising user sessions.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Aug 2021
- **Updated:** 17 Sep 2024
- **Also known as:** GHSA-76xq-r882-9hgq

## What is CVE-2021-34635?

CVE-2021-34635 is a medium-severity cross-site scripting vulnerability in AYS Pro Extensions Poll Maker, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Poll Maker WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the mcount parameter found in the ~/admin/partials/settings/poll-maker-settings.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.2.8.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-34635?

It affects 1 product.


Products: Ays-Pro Poll Maker.

## How do I fix CVE-2021-34635?

No fix has been published for CVE-2021-34635 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-34635 being exploited?

There is no known exploitation of CVE-2021-34635 in the wild and no public exploit code.

## Other vulnerabilities in AYS Pro Extensions Poll Maker

- [CVE-2025-26971](https://insights.sbomify.com/CVE-2025-26971/): WordPress Poll Maker <= 5.6.5 - SQL Injection vulnerability (high 7.6)
- [CVE-2021-24651](https://insights.sbomify.com/CVE-2021-24651/): Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection (high 7.5)
- [CVE-2024-3600](https://insights.sbomify.com/CVE-2024-3600/): Poll Maker – Best WordPress Poll Plugin <= 5.1.8 - Missing Authorization to Unauthenticated Stored Cross-Site Scripting (high 7.2)
- [CVE-2021-24483](https://insights.sbomify.com/CVE-2021-24483/): Poll Maker < 3.2.1 - Authenticated Blind SQL Injections (high 7.2)
- [CVE-2023-41871](https://insights.sbomify.com/CVE-2023-41871/): WordPress Poll Maker Plugin <= 4.7.0 is vulnerable to Cross Site Scripting (XSS) (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-34635 and fix it if it is affected.

What it is: CVE-2021-34635 is a medium-severity cross-site scripting vulnerability in AYS Pro Extensions Poll Maker, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-34635 in the wild and no public exploit code.

Affected product: AYS Pro Extensions Poll Maker. 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-2021-34635/ (Markdown: https://insights.sbomify.com/CVE-2021-34635/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-34635
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-34635
- OSV: https://osv.dev/vulnerability/CVE-2021-34635

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-34635/
Summaries are generated and may contain mistakes; the official description above is the record.