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Description

The wpForo Forum plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.4.13 via deserialization of untrusted input in the 'wpforo_display_array_data' function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present.

PUBLISHED Reserved 2026-01-13 | Published 2026-02-11 | Updated 2026-02-11 | Assigner Wordfence




HIGH: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-502 Deserialization of Untrusted Data

Product status

Default status
unaffected

* (semver)
affected

Timeline

2026-01-13:Vendor Notified
2026-02-10:Disclosed

Credits

Craig Smith finder

References

www.wordfence.com/...-c8c9-413f-9d72-6fb13101459b?source=cve

plugins.trac.wordpress.org/....13/admin/tools-tabs/debug.php

plugins.trac.wordpress.org/...admin%2Ftools-tabs%2Fdebug.php

cve.org (CVE-2026-0910)

nvd.nist.gov (CVE-2026-0910)

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