{"id":123639,"date":"2024-05-08T22:28:20","date_gmt":"2024-05-08T16:58:20","guid":{"rendered":"https:\/\/www.techworm.net\/?p=123639"},"modified":"2024-05-09T10:39:02","modified_gmt":"2024-05-09T05:09:02","slug":"hackers-exploit-litespeed-plugin-vulnerability","status":"publish","type":"post","link":"https:\/\/www.techworm.net\/2024\/05\/hackers-exploit-litespeed-plugin-vulnerability.html","title":{"rendered":"Hackers Exploit WordPress LiteSpeed Plugin’s Vulnerability"},"content":{"rendered":"

LiteSpeed Cache is a plugin that millions of WordPress website admins use to improve page load times and user experience.<\/p>\n

But WPScan flagged an exploit<\/a> (CVE-2023-40000) in the plugin’s older version that hackers can use to gain complete control of a website.<\/p>\n

Its CVSS score of 8.3 indicates that it’s a severe vulnerability. Hackers can pretend to be actual admins and take control of the site.<\/p>\n

LiteSpeed has patched the vulnerability with version 5.7.0.1, but over 1.8 million users haven’t upgraded the plugin yet.<\/p>\n

Vulnerability Details<\/strong><\/h2>\n

CVE-2023-40000 was flagged last October 2023 and can be used for Stored Cross-Site Scripting.<\/p>\n

Hackers could leverage this exploit to grant administrator privileges to their user accounts and gain control of the websites.<\/p>\n

“The plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘nameservers’ and ‘_msg’ parameters due to insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.” said WPScan in its blog post<\/a>.<\/p>\n

The security research company also shared that the malware injects code into the core WordPress files. It discovered 1,232,810 requests from 94.102.51.144 and 70,472 from the 31.43.191.220 IP addresses, respectively.<\/p>\n

Both IP addresses were searching the web for existing WordPress sites with old versions of LiteSpeed Cache plugins installed. LiteSpeed Cache has over five million users, and a third of them haven’t upgraded to the patched version of the plugin.<\/p>\n

If you notice unusual traffic on your website and find admin users named “wpsupp?user” or “wp?configuser,” your website is already compromised.<\/p>\n

You can also search the database for suspicious strings like “eval(atob(Strings.fromCharCode “and watch out for requests from IP addresses such as 45.150.67.235.<\/p>\n

What\u2019s the Resolution if Your Site Is Affected?<\/strong><\/h3>\n

You must use a previous site backup to purge the malware infestation. For precautionary measures, review the installed plugins on your WordPress website.<\/p>\n

Ensure that all the available and pending plugin updates, including LiteSpeed Cache, are manually installed.<\/p>\n","protected":false},"excerpt":{"rendered":"

LiteSpeed Cache is a plugin that millions of WordPress website admins use to improve page load times and user experience. But WPScan flagged an exploit (CVE-2023-40000) in the plugin’s older version that hackers can use to gain complete control of a website. Its CVSS score of 8.3 indicates that it’s a severe vulnerability. Hackers can […]<\/p>\n","protected":false},"author":80,"featured_media":123648,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,3],"tags":[63073,39602,524],"class_list":{"0":"post-123639","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-hacking","8":"category-security-and-hacking-news","9":"tag-litespeed","10":"tag-new-vulnerability","11":"tag-wordpress-2"},"yoast_head":"\nHackers Exploit WordPress LiteSpeed Plugin's Vulnerability » TechWorm<\/title>\n<meta name=\"description\" content=\"LiteSpeed Cache, a renowned plugin for WordPress is facing vulnerabilities, which was exploited by hackers. 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