What is CVE-2021-24140?

CVE-2021-24140 is a high-severity vulnerability in Connekthq Ajax Load More, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-03-18.

How severe is CVE-2021-24140?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2021-24140 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Connekthq Ajax Load More

CVE-2021-24140

Unvalidated input in the Ajax Load More WordPress plugin, versions before 5.3.2, lead to SQL Injection in POST /wp-admin/admin-ajax.php with param repeater=' or sleep(5)#&type=test.

Vulnerability class: SQL Injection

Published 2021-03-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Connekthq Ajax Load More
Ajax Load More — versions 5.3.2

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

wpscan.com/vulnerability/1876312e-3dba-4909-97a5-afbb76fbc056 (Third Party Advisory)

Frequently asked questions

What is CVE-2021-24140?: CVE-2021-24140 is a high-severity vulnerability in Connekthq Ajax Load More, classified under SQL Injection. CVSS score: 7.2/10. Published 2021-03-18.
How severe is CVE-2021-24140?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-24140 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.