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Description

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.

PUBLISHED Reserved 2026-06-08 | Published 2026-06-09 | Updated 2026-06-09 | Assigner VulnCheck




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem types

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

2.1
affected

Credits

TAD GROUP finder

References

www.exploit-db.com/exploits/41921 (ExploitDB-41921) exploit

wow-company.com/ (Official Product Homepage) product

tad.group (Official Product Homepage) product

wordpress.org/plugins/mwp-viral-signup/ (Product Reference) product

www.vulncheck.com/...-signups-wordpress-plugin-sql-injection (VulnCheck Advisory: Wow Viral Signups 2.1 WordPress Plugin SQL Injection) third-party-advisory

cve.org (CVE-2017-20245)

nvd.nist.gov (CVE-2017-20245)

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