CVE-2020-28032

CRITICAL

WordPress < 5.5.2 - Deserialization of Untrusted Data in FilteredIterator

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-28032. PoCs published by nth347.

AI-analyzed exploit summary This PoC demonstrates a PHP Object Injection vulnerability in WordPress < 5.5.2 via a POP chain using `Requests_Utility_FilteredIterator` and `WC_Log_Handler_File` to achieve RCE by invoking `system('id')`.

Description

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

Exploits (1)

nomisec WORKING POC 4 stars
by nth347 · poc
https://github.com/nth347/CVE-2020-28032_PoC

This PoC demonstrates a PHP Object Injection vulnerability in WordPress < 5.5.2 via a POP chain using `Requests_Utility_FilteredIterator` and `WC_Log_Handler_File` to achieve RCE by invoking `system('id')`.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WordPress < 5.5.2
No auth needed
Prerequisites: PHP object injection vulnerability in target application
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Third Party Advisory x_refsource_misc
https://wpscan.com/vulnerability/10446
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/11/msg00004.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4784

Scores

CVSS v3 9.8
EPSS 0.1612
EPSS Percentile 96.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (6)
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 31
fedoraproject/fedora 32
fedoraproject/fedora 33
wordpress/wordpress < 5.5.2
Published Nov 02, 2020
Tracked Since Feb 18, 2026