Is CVE-2019-10866 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2019-10866, but active exploitation has not been confirmed.

Can CVE-2019-10866 be exploited remotely?

Yes. CVE-2019-10866 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-10866?

CVE-2019-10866 has a CVSS score of 9.8 (CRITICAL).

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CRITICALPOC

CVE-2019-10866

CWE-89Published: May 23, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In the Form Maker plugin before 1.13.3 for WordPress, it's possible to achieve SQL injection in the function get_labels_parameters in the file form-maker/admin/models/Submissions_fm.php with a crafted value of the /models/Submissioc parameter.

NVD Source

Technical Analysis

CVE-2019-10866 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2019-10866. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.