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CVE-2025-12028 is a Cross-Site Request Forgery vulnerability in the IndieAuth plugin for WordPress affecting all versions up to and including 4.5.4. The flaw is caused by missing nonce verification in the login_form_indieauth() function and at the authorization endpoint wp-login.php?action=indieauth. Because the authorization flow does not properly validate request authenticity, an unauthenticated attacker can induce a logged-in victim to approve an OAuth authorization request for an attacker-controlled application by getting the victim to click a crafted link or visit a malicious page. After approval, the attacker can exchange the resulting authorization code for an access token tied to the victim's account and granted scopes.
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login_form_indieauth() and at wp-login.php?action=indieauth, and by reviewing the overall security of the authorization endpoint to ensure requests cannot be approved without CSRF protection.No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
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.