Review reviewHigh

CVE-2017-20245

Wow-Company Wow Viral Signups

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.

CVSS: 8.8
EPSS: 0.27%
CISA KEV: Not listed
Published: 2026.06.09

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.27%

Technical severityCVSS 8.8

Vulnerability overview

Affected product and versions

Product: Wow-Company Wow Viral Signups
Affected versions: >= 2.1
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Wow-Company Wow Viral Signups and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE: CWE-89