UpdraftPlus: WP Backup & Migration Plugin

{
    "slug": "updraftplus",
    "pattern": "unserialize_after_remote_call",
    "kind": "builtin",
    "version": "1.26.3",
    "hit_count": 1,
    "first_hit": {
        "file": "backup.php",
        "line": 3604,
        "snippet": "L3604: $var = $updraftplus->unserialize(file_get_contents($cache_file_base.'-info.tmp'));  \u2192  L3604: $var = $updraftplus->unserialize(file_get_contents($cache_file_base.'-info.tmp'));"
    },
    "explanation": "a remote HTTP fetch (`wp_remote_*`/`curl_exec`) is followed by `unserialize`/`maybe_unserialize` within the same file \u2014 classic PHP Object Injection C2 gadget used by EP and most WP supply-chain backdoors. Legit plugins essentially never do this."
}

{
    "slug": "updraftplus",
    "previous_version": "1.26.3",
    "current_version": "1.26.3",
    "new_findings": [
        {
            "pattern": "unserialize_after_remote_call",
            "kind": "builtin",
            "file": "backup.php",
            "line": 3604,
            "snippet": "L3604: $var = $updraftplus->unserialize(file_get_contents($cache_file_base.'-info.tmp'));  \u2192  L3604: $var = $updraftplus->unserialize(file_get_contents($cache_file_base.'-info.tmp'));",
            "confidence": "high"
        }
    ],
    "new_finding_count": 1
}

{
    "slug": "updraftplus",
    "domain": "ipvigilante.com",
    "domain_source": "c2_http_call",
    "domain_registered_at": "2025-03-22",
    "plugin_earliest_commit": "2015-01-01 16:08:48",
    "plugin_latest_release": "2026-04-23 16:51:10",
    "gap_days": 3732,
    "domain_age_at_release": 397,
    "active_installs": 3000000
}