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

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

Which versions are affected by CVE-2021-34635?

It affects 1 product.

Products include 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.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

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 WordPress Poll Maker <= 5.6.5 - SQL Injection vulnerability High 7.6
• CVE-2021-24651 Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection High 7.5
• 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 Poll Maker < 3.2.1 - Authenticated Blind SQL Injections High 7.2
• CVE-2023-41871 WordPress Poll Maker Plugin <= 4.7.0 is vulnerable to Cross Site Scripting (XSS) High 7.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-76xq-r882-9hgq.