Attack Vectors

The vulnerability CVE-2025-60082 affects the WordPress plugin “PDF for WPForms + Drag and Drop Template Builder” (slug: pdf-for-wpforms) in versions 6.5.0 and below. It is rated High severity (CVSS 8.8), which signals meaningful business risk when the right conditions exist.

This is an authenticated issue, meaning an attacker needs a valid WordPress account with Subscriber-level access or higher. In practical terms, this can include sites that allow self-registration, community portals, gated content sites, or any environment where many users have accounts. The attack can be conducted over the network without user interaction.

Security Weakness

The plugin is vulnerable to PHP Object Injection due to deserialization of untrusted input. In business terms, this means the plugin can be tricked into processing crafted data in a way that may allow harmful actions—but only when combined with other software conditions.

Importantly, the available disclosure states there is no known “POP chain” inside the vulnerable plugin itself. That means the vulnerability may not lead to impact on its own. Risk increases if the site also has another plugin or theme installed that contains a usable POP chain, which could turn this weakness into real compromise.

Technical or Business Impacts

When a usable chain exists elsewhere in the WordPress environment, a High-severity PHP Object Injection vulnerability can translate into outcomes aligned with the CVSS rating: confidentiality, integrity, and availability impact. For leadership teams, this can mean data exposure, content or site manipulation, or disruption of online operations.

Business-facing consequences may include loss of customer trust, brand damage, lead capture and form workflow disruption, and compliance and reporting obligations depending on the type of information processed through forms. Even though exploitation requires a logged-in user, many organizations underestimate how often low-privilege accounts exist (customers, partners, contractors, former staff, or accounts created through registration flows).

The most immediate risk-reduction step is straightforward: update “PDF for WPForms + Drag and Drop Template Builder” to version 6.5.1 or later, which is the documented remediation.

Similar Attacks

While this specific issue depends on environmental conditions (another plugin/theme providing a usable chain), PHP object injection has been a recurring root cause in real WordPress security incidents. For context, here are a few well-known examples:

CVE-2019-8943 (WordPress core – PHP object injection via crafted metadata) — demonstrated how object injection issues can become serious when combined with other components.

CVE-2020-24186 (Ultimate Addons for Elementor – PHP object injection) — an example of a plugin-level object injection flaw that raised significant concern for sites running popular add-ons.

CVE-2021-25036 (Multiple plugins affected – object injection patterns) — reflects how deserialization issues have repeatedly appeared across the plugin ecosystem.