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CVE-2026-10035: Turnkey bbPress by WeaverTheme <= 1.7.1 - Authenticated (Administrator+) PHP Object Injection

• Severity: medium (CVSS 6.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-16 · updated 2026-08-20
• Weakness: CWE-502

Description

The Turnkey bbPress by WeaverTheme plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.7.1 via deserialization of untrusted input in the wvrbbp_set_to_serialized_values() function (reached through the wvrbbp_save_restore() settings-restore handler). The function reads the raw contents of an administrator-uploaded file and passes them directly to unserialize() without any validation. This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable plugin itself; however, if a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Affected products

• wpweaver Turnkey bbPress by WeaverTheme: through 1.7.1

References

• https://plugins.trac.wordpress.org/browser/weaver-for-bbpress/tags/1.7.1/includes/wvrbbp-admin-lib.php#L112
• https://plugins.trac.wordpress.org/browser/weaver-for-bbpress/tags/1.7.1/includes/wvrbbp-admin-lib.php#L132
• https://plugins.trac.wordpress.org/browser/weaver-for-bbpress/tags/1.7.1/includes/wvrbbp-admin-top.php#L142
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3633471%40weaver-for-bbpress&new=3633471%40weaver-for-bbpress
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7e7411ab-174e-4bc2-9f96-dbce925a21eb?source=cve

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