Description

WordPress Plugin Ultimate Coming Soon, Maintenance Mode for WordPress-Everest Coming Soon Lite [only if downloaded via the vendor website] contains suspicious code. Attackers can exploit this issue to perform a variety of actions. Successful attacks will compromise the affected application and possibly the webserver or computer. WordPress Plugin Ultimate Coming Soon, Maintenance Mode for WordPress-Everest Coming Soon Lite version 1.1.0 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 1.1.1 or latest

References

https://jetpack.com/2022/01/18/backdoor-found-in-themes-and-plugins-from-accesspress-themes/

Related Vulnerabilities

Magento Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-8139)

TYPO3 Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2009-3633)

EspoCRM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-13643)

Liferay Portal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-12648)

PHP Other Vulnerability (CVE-2015-6837)

Severity

High

Classification

CVE-2021-24867 CWE-912 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Tags

Missing Update