CVE-2022-2473
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.
Does this matter?
Lower severity and a low EPSS score (1.42%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- wp-useronline project/wp-useronline
- Source
- security@wordfence.com
References
- https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txtExploit, Third Party Advisory, VDB Entry
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=Patch
- https://www.exploit-db.com/exploits/50988Third Party Advisory, VDB Entry
- https://www.exploitalert.com/view-details.html?id=38893Exploit, Third Party Advisory
- https://www.exploitalert.com/view-details.html?id=38912Exploit, Third Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-9948-6ef33138a834?source=cveThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473Third Party Advisory
- https://youtu.be/Q3zInrUnAV0Exploit
- https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txtExploit, Third Party Advisory, VDB Entry
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=Patch
- https://www.exploit-db.com/exploits/50988Third Party Advisory, VDB Entry
- https://www.exploitalert.com/view-details.html?id=38893Exploit, Third Party Advisory
- https://www.exploitalert.com/view-details.html?id=38912Exploit, Third Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-9948-6ef33138a834?source=cveThird Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473Third Party Advisory
- https://youtu.be/Q3zInrUnAV0Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.