Hackers target vulnerable WordPress plugins as they provide a potential entry point to exploit website security weaknesses.
These plugins often have outdated code or known vulnerabilities, which make them attractive targets for malicious actors seeking:-
Recently, on December 14th, 2023, during the Bug Bounty Program of Wordfence, which is dubbed “Holiday Bug Extravaganza,” the following cybersecurity researchers reported an “Authorization Bypass” vulnerability in “POST SMTP Mailer.”
This is a WordPress plugin with more than 300,000 active installations, and successfully exploiting this bug could let the hackers reset the API key.
Compounding the problem are zero-day vulnerabilities like the MOVEit SQLi, Zimbra XSS, and 300+ such vulnerabilities that get discovered each month. Delays in fixing these vulnerabilities lead to compliance issues, these delay can be minimized with a unique feature on AppTrana that helps you to get “Zero vulnerability report” within 72 hours.
Using the vulnerable Mailer plugin on WordPress sites, the vulnerability allows unauthorized threat actors to do the following things:-
A critical vulnerability, identified as CVE-2023-6875 with a VSS Score of 9.8, has been detected. It is highly recommended that users update to the patched version 2.8.8 to address the issue.
Another report unveiled that the POST SMTP Mailer had a Cross-Site Scripting vulnerability that allowed malicious scripts to be injected into websites.
The cybersecurity researchers earned a handsome bounty reward from the Bounty Program Extravaganza, and here below, we have mentioned the reward figures:-
On December 8, 2023, the cybersecurity analysts at Wordfence notified WPExperts.io about the vulnerability, and by December 10, 2023, they received the response.
In response, WPExperts[.]io developers acted promptly and issued a patch on January 1, 2024. Not only that, they even urged all the users to immediately update their vulnerable version to the latest patched version, 2.8.8.
Vulnerability in POST SMTP Mailer (up to version 2.8.7) allows unauthorized access and data modification via a type juggling issue in the connect-app REST endpoint.
Stored Cross-Site Scripting risk in POST SMTP Mailer (up to version 2.8.7) arises from inadequate input sanitization in the ‘device’ header, and unauthenticated attackers can inject harmful scripts.
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