What’s Vulnerable › Vulnerabilities

CVE-2026-15962: Fluent Forms Pro Add On Pack <= 6.2.6 - Authenticated (Subscriber+) PHP Object Injection to Arbitrary User Password Change via User Meta Field

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-26 · updated 2026-07-27
• Weakness: CWE-502

Description

The Fluent Forms Pro Add On Pack plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 6.2.6 via deserialization of untrusted input. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to change user passwords and potentially take over administrator accounts. Note: This can only be exploited if user update integration is enabled and a user meta field is mapped.

Affected products

• techjewel Fluent Forms Pro Add On Pack: through 6.2.6

References

• https://fluentforms.com
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b95ec70c-ac76-48fa-9d9d-01cf1983e504?source=cve

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