High severity · published Aug 2, 2021
CVE-2021-24458
Popup box < 2.3.4 - Authenticated Blind SQL Injections
8.8
CVSS
1.4%
EPSS
No
On KEV
Description
The get_ays_popupboxes() and get_popup_categories() functions of the Popup box WordPress plugin before 2.3.4 did not use whitelist or validate the orderby parameter before using it in SQL statements passed to the get_results() DB calls, leading to SQL injection issues in the admin dashboard
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PB
Popup box · Ays Pro
2.3.4 before 2.3.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24458
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24458
Exploit
https://wpscan.com/vulnerability/8a588266-54cd-4779-adcf-f9b9e226c297
More from Popup box
8.8
CVE-2021-24460
Popup Like box - Page Plugin < 3.5.3 - Authenticated Blind SQL Injections
7.6
CVE-2026-57631
WordPress Popup box plugin <= 6.0.1 - SQL Injection vulnerability
7.1
CVE-2026-54192
WordPress Popup box plugin <= 6.2.9 - Reflected Cross Site Scripting (XSS) vulnerability
6.1
CVE-2023-27414
WordPress Popup box Plugin <= 3.4.4 is vulnerable to Cross Site Scripting (XSS)
5.4
CVE-2025-15611
Popup Box AYS Pro < 5.5.0 - Admin+ Stored Cross-Site Scripting (XSS) via CSRF