Poll Maker < 3.4.2 - Unauthenticated Time Based SQL Injection

published 2021-10-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11563

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

ays-pro poll_maker 3.4.2

Exploit prediction

1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/24f933b0-ad57-4ed3-817d-d637256e2fb1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Unknown Poll Maker

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command
CWE-203 Observable Discrepancy

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/24f933b0-ad57-4ed3-817d-d637256e2fb1
exploit, third-party-advisory

Sources

CVE List CVE-2021-24651
NVD CVE-2021-24651

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary