WordPress up to 5.7 Update URI Plugin Header Remote Code Execution

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.04

A vulnerability was found in WordPress up to 5.7 (Content Management System). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component Update URI Plugin Header Handler. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/25/2021. The advisory is shared at vavkamil.cz. This vulnerability is known as CVE-2021-44223 since 11/25/2021. Neither technical details nor an exploit are publicly available.

Upgrading to version 5.8 eliminates this vulnerability. The upgrade is hosted for download at make.wordpress.org.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (MITRE): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WordPress 5.8

Timelineinfo

11/25/2021 🔍
11/25/2021 +0 days 🔍
11/25/2021 +0 days 🔍
12/02/2021 +7 days 🔍

Sourcesinfo

Product: wordpress.com

Advisory: vavkamil.cz
Status: Confirmed

CVE: CVE-2021-44223 (🔍)

Entryinfo

Created: 11/25/2021 20:48
Updated: 12/02/2021 09:30
Changes: 11/25/2021 20:48 (48), 12/02/2021 09:27 (1), 12/02/2021 09:30 (18)
Complete: 🔍

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