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Vulnerability record · CVE-2020-28032 · published 2 November 2020

CVE-2020-28032: Wordpress deserialization of untrusted data vulnerability

Wordpress · Wordpress

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

9.8 CVSS 3.1 Critical EPSS 16% · top 3.2% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score, v2 7.5
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
16References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQ
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ Release NotesVendor Advisory
https://wpscan.com/vulnerability/10446 Third Party Advisory
https://www.debian.org/security/2020/dsa-4784 Third Party Advisory
https://github.com/WordPress/wordpress-develop/commit/add6bedf3a53b647d0ebda2970057912d3cd79d3 PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CHHVNK2WYAM3ZTCXTFSEIT5
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VAVVYJKA2I6CRQUINECDPBG
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUXVUAKL2HL4QYJEPHBNVQQ
https://wordpress.org/news/2020/10/wordpress-5-5-2-security-and-maintenance-release/ Release NotesVendor Advisory
https://wpscan.com/vulnerability/10446 Third Party Advisory
https://www.debian.org/security/2020/dsa-4784 Third Party Advisory

Track CVE-2020-28032 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2020-28032), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.