SB2023101851 - Multiple vulnerabilities in ActivityPub plugin for WordPress

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Main Vulnerability Database SB2023101851

SB2023101851 - Multiple vulnerabilities in ActivityPub plugin for WordPress

Published: October 18, 2023

Security Bulletin ID SB2023101851
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Stored cross-site scripting (CVE-ID: CVE-2023-5057)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Authorization bypass through user-controlled key (CVE-ID: CVE-2023-3707)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the affected plugin does not ensure that post contents to be displayed are public and belong to the plugin. A remote user can retrieve the content of arbitrary post via an IDOR vector


3) Authorization bypass through user-controlled key (CVE-ID: CVE-2023-3706)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the affected plugin does not ensure that post titles to be displayed are public and belong to the plugin. A remote user can retrieve the title of arbitrary post via an IDOR vector.


Remediation

Install update from vendor's website.

References