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CVE-2026-4261 is a privilege escalation vulnerability in the Expire Users plugin for WordPress affecting all versions up to and including 1.2.2. The flaw is caused by insufficient authorization in the plugin's save_extra_user_profile_fields function, which allows a user to update the on_expire_default_to_role meta value. Because this role-related metadata can be modified by a low-privileged authenticated user, an attacker can abuse the plugin's expiration-role handling to assign a more privileged role. As described in the provided content, authenticated attackers with Subscriber-level access or higher can leverage this weakness to escalate their privileges to administrator.
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No public exploit code observed for this vulnerability.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.