{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/vendors/wpdeveloper/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.2,"id":"CVE-2026-78563"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["NotificationX Pro (3.1.4)"],"_cs_severities":["high"],"_cs_tags":["web-application","xss","wordpress","vulnerability"],"_cs_type":"advisory","_cs_vendors":["WPDeveloper"],"content_html":"\u003cp\u003eThe NotificationX Pro plugin for WordPress, a popular plugin for displaying site notifications, contains a critical Stored Cross-Site Scripting (XSS) vulnerability, tracked as CVE-2026-78563. This vulnerability exists in all versions up to and including 3.1.4. The flaw originates from the plugin's failure to properly sanitize input data or escape output data during the processing of notification content.\u003c/p\u003e\n\u003cp\u003eBecause the vulnerability allows unauthenticated attackers to inject arbitrary web scripts, it poses a significant risk to affected WordPress installations. When an attacker submits malicious scripts through vulnerable fields, the payload is stored by the application and executed in the browser of any user (including administrators) who visits the affected page. This can lead to unauthorized actions performed on behalf of the user, session hijacking, or redirection to malicious content. Organizations using this plugin should identify their version and upgrade immediately to a patched release.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a WordPress installation running a vulnerable version of the NotificationX Pro plugin.\u003c/li\u003e\n\u003cli\u003eAttacker probes the plugin inputs (typically notification settings or custom HTML fields) for lack of input sanitization.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious JavaScript payload designed to perform a specific action, such as stealing cookies or modifying DOM elements.\u003c/li\u003e\n\u003cli\u003eAttacker submits the crafted script via an unauthenticated request to the plugin's notification configuration endpoint.\u003c/li\u003e\n\u003cli\u003eThe plugin fails to validate or encode the input and stores the malicious script directly into the WordPress database.\u003c/li\u003e\n\u003cli\u003eA victim (often a site administrator) navigates to the page or dashboard where the notification is rendered by the plugin.\u003c/li\u003e\n\u003cli\u003eThe browser renders the stored notification, triggering the execution of the injected script in the context of the victim's session.\u003c/li\u003e\n\u003cli\u003eAttacker achieves their final objective, such as account takeover or unauthorized administrative action via the victim's authenticated session.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-78563 allows an unauthenticated attacker to execute arbitrary JavaScript in the context of the victim's browser session. If the victim is an administrator, the attacker could theoretically take full control of the WordPress site. The vulnerability has a CVSS 3.1 score of 7.2 (High).\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cp\u003ePrioritized, concrete actions for detection and remediation:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eImmediately update the NotificationX Pro plugin to the latest version available from the vendor (WPDeveloper) to remediate CVE-2026-78563.\u003c/li\u003e\n\u003cli\u003eImplement a Web Application Firewall (WAF) rule to inspect and block incoming HTTP requests containing suspicious script tags (e.g., \u0026lt;script\u0026gt;, onerror, onload) directed at the NotificationX Pro plugin endpoints.\u003c/li\u003e\n\u003cli\u003eAudit web server logs for HTTP POST requests to notification-related endpoints containing common XSS vectors.\u003c/li\u003e\n\u003cli\u003eDeploy CSP (Content Security Policy) headers to mitigate the impact of XSS by restricting the sources from which scripts can be executed.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-08-25T10:08:01Z","date_published":"2026-08-25T10:08:01Z","id":"https://feed.craftedsignal.io/briefs/2026-08-notificationx-xss/","summary":"The NotificationX Pro plugin for WordPress is vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) due to improper input sanitization and output escaping in versions up to and including 3.1.4.","title":"Stored Cross-Site Scripting in NotificationX Pro WordPress Plugin","url":"https://feed.craftedsignal.io/briefs/2026-08-notificationx-xss/"}],"language":"en","title":"CraftedSignal Threat Feed - WPDeveloper","version":"https://jsonfeed.org/version/1.1"}