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How to Reduce Server Load by Simply Filtering Bad Traffic

When a website starts slowing down, many teams immediately think about scaling infrastructure: adding CPU, RAM, more servers, or optimizing the database. In reality, a significant part of server load is often caused not by real users, but by automated traffic — bots, scrapers, vulnerability scanners, spam robots, and aggressive crawlers. These requests may continuously
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CVE-2023-4646 – Simple Posts Ticker < 1.1.6 - Contributor + Stored XSS via shortcode
While examining the plugin during the testing phase, we uncovered a vulnerability that enables the execution of Stored Cross-Site Scripting (XSS) attacks, accomplished by incorporating a shortcode into a new post. This vulnerability has the potential to lead to the compromise of user accounts, particularly those of contributors. Main info: CVE CVE-2023-4646 Plugin Simple Posts…
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CVE-2023-4798 – User Avatar – Reloaded < 1.2.2 - Contributor+ Stored XSS
During the plugin’s testing phase, a vulnerability was identified that enables the execution of Stored XSS by an attacker who embeds a shortcode in a new post, potentially leading to an account takeover. Main info: CVE CVE-2023-4798 Plugin User Avatar – Reloaded Critical High Publicly Published September 25, 2023 Last Updated September 25, 2023 Researcher…
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CVE-2023-4933 – WP Job Openings < 3.4.3 – Sensitive Data Exposure via Directory Listing
During testing, a critical vulnerability was discovered in the plugin, namely a vulnerability in the Directory Listings system, which allows an unauthorized user to view and download private files of other users. This vulnerability poses a serious security threat because it allows an attacker to gain access to confidential data and files of other users…
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CVE-2023-4289 – WP Matterport Shortcode < 2.1.8 - Contributor+ Stored XSS via shortcode
In the process of testing the plugin, a vulnerability was found that allows you to implement Stored XSS on behalf of the contributor by embedding the shortcode in a new post, which entails account takeover Main info: CVE CVE-2023-4289 Plugin WP Matterport Shortcode Critical High Publicly Published September 25, 2023 Last Updated September 25, 2023…
