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CVE-2018-20148

9.8 criticalEPSS 27%

Critical (9.8). EPSS 27% chance of exploitation in the next 30 days.

In WordPress before 4.9.9 and 5.x before 5.0.1, contributors could conduct PHP object injection attacks via crafted metadata in a wp.getMediaItem XMLRPC call. This is caused by mishandling of serialized data at phar:// URLs in the wp_get_attachment_thumb_file function in wp-includes/post.php.

Severity

CVSS 3.0

9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
27% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE
CWE-502
Published
Modified
Record from
the NVD, synced

Affected

References

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