$ cve CVE-2020-28032 JSON

CVE-2020-28032

9.8

CRITICAL · CVSS 3.1 · EPSS 16.1% (pctl 97)

Patch early

EPSS 16.1% — above the 10% action threshold.

WordPress before 5.5.2 mishandles deserialization requests in wp-includes/Requests/Utility/FilteredIterator.php.

CVSS	9.8 (CRITICAL, v3.1)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS	16.12% — more likely to be exploited than 97% of all CVEs
Weakness	CWE-502
On CISA KEV	no
Public exploit	none known
Published	2020-11-02
Last modified	2026-06-17