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Invisible Anti-Spam CAPTCHA CVE-2026-16094

| EUVDEUVD-2026-58859 MEDIUM
SQL Injection (CWE-89)
2026-08-15 Wordfence GHSA-pgxx-476p-88mg
4.9
CVSS 3.1 · Vendor: Wordfence
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Severity by source

Vendor (Wordfence) PRIMARY
4.9 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
4.9 MEDIUM

Network-reachable admin endpoint requires editor credentials (PR:H); SQL injection yields read-only database access, so I:N and A:N.

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

Primary rating from Vendor (Wordfence).

CVSS VectorVendor: Wordfence

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Aug 15, 2026 - 04:03 vuln.today
CVE Published
Aug 15, 2026 - 03:25 cve.org
MEDIUM 4.9

DescriptionCVE.org

The Invisible Anti-Spam & CAPTCHA - reCAPTCHA Alternative for All Forms plugin for WordPress is vulnerable to generic SQL Injection via the 'key' parameter in all versions up to, and including, 5.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with editor-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

AnalysisAI

SQL injection in the Invisible Anti-Spam & CAPTCHA - reCAPTCHA Alternative for All Forms WordPress plugin (all versions through 5.1) exposes WordPress database contents to authenticated attackers holding editor-level or higher roles. The 'key' parameter in plugin admin functionality lacks sufficient escaping and prepared-statement handling, allowing appended SQL to read arbitrary database tables. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated WordPress session with editor-level role or higher (editor, administrator, super admin). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.9 Medium score correctly reflects the real-world risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation A patch commit has been made to the WordPress plugin repository (changeset 3633500 at https://plugins.trac.wordpress.org/changeset/3633500/gdpr-compliant-recaptcha-for-all-forms); however, the exact released patched version number is not independently confirmed from the available data - update to the latest version available in the WordPress plugin directory and verify it supersedes 5.1. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-16094 vulnerability details – vuln.today

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