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CVE-2022-2473

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Date: September 6, 2022

The WP-UserOnline plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘templates[browsingpage][text]' parameter in versions up to, and including, 2.87.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative capabilities and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The only affects multi-site installations and installations where unfiltered_html is disabled.

Language: PHP

Severity Score

Related Resources (10)

https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473
https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txt
https://youtu.be/Q3zInrUnAV0
https://www.exploitalert.com/view-details.html?id=38912
https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-9948-6ef33138a834?source=cve
https://www.exploitalert.com/view-details.html?id=38893
https://www.exploit-db.com/exploits/50988
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=
https://nvd.nist.gov/vuln/detail/CVE-2022-2473
https://www.mend.io/vulnerability-database/CVE-2022-2473

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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Upgrade Version

Upgrade to version 2.87.6

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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