Is CVE-2026-2712 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-2712, but active exploitation has not been confirmed.

Can CVE-2026-2712 be exploited remotely?

Yes. CVE-2026-2712 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2712?

CVE-2026-2712 has a CVSS score of 5.4 (MEDIUM).

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MEDIUMPOC

CVE-2026-2712

CWE-863Published: April 10, 2026· Updated: Apr 13, 2026

5.4

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.6th

Official Description

The WP-Optimize plugin for WordPress is vulnerable to unauthorized access of functionality due to missing capability checks in the `receive_heartbeat()` function in `includes/class-wp-optimize-heartbeat.php` in all versions up to, and including, 4.5.0. This is due to the Heartbeat handler directly invoking `Updraft_Smush_Manager_Commands` methods without verifying user capabilities, nonce tokens, or the allowed commands whitelist that the normal AJAX handler (`updraft_smush_ajax`) enforces. This makes it possible for authenticated attackers, with Subscriber-level access and above, to invoke admin-only Smush operations including reading log files (`get_smush_logs`), deleting all backup images (`clean_all_backup_images`), triggering bulk image processing (`process_bulk_smush`), and modifying Smush options (`update_smush_options`).

NVD Source

Technical Analysis

CVE-2026-2712 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.

A proof-of-concept (PoC) exploit exists for CVE-2026-2712. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.