Wow Viral Signups 2.1 WordPress plugin contains an SQL injection vulnerability that allows unauthenticated attackers to extract database information by exploiting the unescaped 'idsignup' POST parameter. Attackers can send crafted requests to the admin-ajax.php endpoint with malicious SQL payloads in the 'idsignup' parameter to read arbitrary data from the database.
https://www.vulncheck.com/advisories/wow-viral-signups-wordpress-plugin-sql-injection
https://www.exploit-db.com/exploits/41921
Published: 2026-06-09
Updated: 2026-06-09
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Severity: High
Base Score: 8.8
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00068