Is CVE-2026-1640 actively exploited?

No active exploitation of CVE-2026-1640 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1640 be exploited remotely?

Yes. CVE-2026-1640 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1640?

CVE-2026-1640 has a CVSS score of 4.3 (MEDIUM) and an EPSS exploitation probability of 0.03%.

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MEDIUM

CVE-2026-1640

CWE-862Published: February 18, 2026· Updated: Feb 18, 2026

4.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:6.7th

Official Description

The Taskbuilder – WordPress Project Management & Task Management plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.0.2. This is due to missing authorization checks on the project and task comment submission functions (AJAX actions: wppm_submit_proj_comment and wppm_submit_task_comment). This makes it possible for authenticated attackers, with subscriber-level access and above, to create comments on any project or task (including private projects they cannot view or are not assigned to), and inject arbitrary HTML and CSS via the insufficiently sanitized comment_body parameter.

NVD Source

Technical Analysis

CVE-2026-1640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.