CVE-2021-24651 Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection
Unauthenticated attackers can exploit a time-based SQL injection vulnerability in the Poll Maker plugin to exfiltrate sensitive data, including password hashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24651?
CVE-2021-24651 is a high-severity SQL injection vulnerability in Unknown Poll Maker, published on 11 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Poll Maker WordPress plugin before 3.4.2 allows unauthenticated users to perform SQL injection via the ays_finish_poll AJAX action. While the result is not disclosed in the response, it is possible to use a timing attack to exfiltrate data such as password hash.
Which versions are affected by CVE-2021-24651?
It affects 1 product.
Products include Ays-Pro Poll Maker.
How do I fix CVE-2021-24651?
No fix has been published for CVE-2021-24651 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-24651 being exploited?
There is no known exploitation of CVE-2021-24651 in the wild and no public exploit code.
Other vulnerabilities in Unknown Poll Maker
- CVE-2025-26971 WordPress Poll Maker <= 5.6.5 - SQL Injection vulnerability
- CVE-2024-3600 Poll Maker – Best WordPress Poll Plugin <= 5.1.8 - Missing Authorization to Unauthenticated Stored Cross-Site Scripting
- CVE-2021-24483 Poll Maker < 3.2.1 - Authenticated Blind SQL Injections
- CVE-2023-41871 WordPress Poll Maker Plugin <= 4.7.0 is vulnerable to Cross Site Scripting (XSS)
- CVE-2025-24577 WordPress Poll Maker plugin <= 5.5.0 - Broken Access Control vulnerability
Sources
Also known as GHSA-64xf-q24f-59cv.