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Form Maker 10Web CVE-2026-16977

| EUVDEUVD-2026-57091 HIGH
SQL Injection (CWE-89)
2026-08-12 WPScan GHSA-h2c2-45p9-4958
8.1
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
8.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
8.1 HIGH

Network-reachable via web form; subscriber auth sufficient (PR:L); second-order timing does not elevate complexity given available POC; no availability impact described.

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

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Analysis Generated
Aug 12, 2026 - 17:28 vuln.today
Patch available
Aug 12, 2026 - 07:16 EUVD
CVE Published
Aug 12, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 12, 2026 - 06:00 cve.org
HIGH 8.1

DescriptionCVE.org

The Form Maker by 10Web WordPress plugin before 1.15.45 does not properly parameterize a user-controlled value that is substituted into a dynamic SQL query built for a database-backed choice field, allowing subscriber-level users to perform second-order SQL injection.

AnalysisAI

Second-order SQL injection in Form Maker by 10Web WordPress plugin (all versions before 1.15.45) allows any subscriber-level authenticated user to execute arbitrary SQL against the WordPress database by submitting crafted input to database-backed choice fields, yielding high confidentiality and integrity impact. A publicly available proof-of-concept from WPScan lowers the exploitation barrier, and an EPSS of 16% reflects above-baseline real-world risk. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Register subscriber account on target site
Delivery
Submit crafted SQLi payload via database-backed choice field
Exploit
Payload stored in WordPress database
Execution
Trigger plugin logic that retrieves and interpolates stored value into SQL query
Persist
Second-order SQL executes against WordPress DB
Impact
Exfiltrate credentials or modify database records

Vulnerability AssessmentAI

Exploitation Exploitation requires a subscriber-level (or higher) authenticated account on the target WordPress installation - any registered user qualifies, making open-registration sites particularly exposed. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N) accurately reflects the threat profile: the attack is network-reachable, requires no elevated privileges beyond a subscriber account, and yields both high confidentiality and integrity compromise of the WordPress database. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker self-registers for a subscriber account on the target WordPress site, then navigates to a public-facing form built with Form Maker by 10Web that includes a database-backed choice field. The attacker submits a crafted SQL injection string as their input to that field; the payload is stored in the WordPress database. …
Remediation Upgrade Form Maker by 10Web to version 1.15.45 or later, which contains the vendor-released patch addressing improper SQL parameterization. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress sites running Form Maker versions prior to 1.15.45 and restrict subscriber-level access to form submissions as an interim control. …

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CVE-2026-16977 vulnerability details – vuln.today

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