{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/vendors/wp-statistics/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.2,"id":"CVE-2026-5231"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["WP Statistics"],"_cs_severities":["medium"],"_cs_tags":["wordpress","xss","cve-2026-5231","wp-statistics"],"_cs_type":"advisory","_cs_vendors":["WP Statistics"],"content_html":"\u003cp\u003eThe WP Statistics plugin for WordPress, versions up to and including 14.16.4, is susceptible to a stored cross-site scripting (XSS) vulnerability identified as CVE-2026-5231. This flaw stems from inadequate input sanitization and output escaping of the 'utm_source' parameter. The vulnerability is triggered because the plugin's referral parser copies the unsanitized 'utm_source' value directly into the 'source_name' field when a wildcard channel domain matches. Subsequently, the chart renderer uses this value in the legend markup via innerHTML without proper escaping. This allows unauthenticated attackers to inject malicious JavaScript code, which executes within the context of an administrator's browser when they access the Referrals Overview or Social Media analytics pages within the WordPress admin panel. This poses a significant risk to the confidentiality and integrity of the WordPress site.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn unauthenticated attacker crafts a malicious URL containing a JavaScript payload within the \u003ccode\u003eutm_source\u003c/code\u003e parameter.\u003c/li\u003e\n\u003cli\u003eA user visits the website using the malicious URL, triggering the WP Statistics plugin's referral parser.\u003c/li\u003e\n\u003cli\u003eThe plugin's referral parser processes the URL and copies the unsanitized \u003ccode\u003eutm_source\u003c/code\u003e value, including the injected JavaScript, into the \u003ccode\u003esource_name\u003c/code\u003e field in the database.\u003c/li\u003e\n\u003cli\u003eAn administrator logs into the WordPress admin panel.\u003c/li\u003e\n\u003cli\u003eThe administrator navigates to the Referrals Overview or Social Media analytics pages, which utilize the WP Statistics plugin's chart renderer.\u003c/li\u003e\n\u003cli\u003eThe chart renderer retrieves the \u003ccode\u003esource_name\u003c/code\u003e field from the database, which contains the injected JavaScript.\u003c/li\u003e\n\u003cli\u003eThe chart renderer inserts the malicious JavaScript into the legend markup via innerHTML without proper escaping.\u003c/li\u003e\n\u003cli\u003eThe administrator's browser executes the injected JavaScript, potentially allowing the attacker to perform actions such as stealing administrator cookies, modifying website content, or redirecting the administrator to a malicious website.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this stored XSS vulnerability allows an unauthenticated attacker to execute arbitrary JavaScript code within the context of an administrator's browser. This could lead to complete compromise of the WordPress website, including unauthorized access to sensitive data, modification of website content, and installation of malicious plugins or themes. The impact is significant due to the widespread use of the WP Statistics plugin and the potential for attackers to gain complete control over affected websites. While no specific victim numbers are available, the large user base of WordPress suggests a potentially broad impact across various sectors.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply the latest patch or upgrade to a version of the WP Statistics plugin that addresses CVE-2026-5231 to remediate the vulnerability.\u003c/li\u003e\n\u003cli\u003eDeploy the provided Sigma rule \u003ccode\u003eDetect Suspicious utm_source Parameter\u003c/code\u003e to identify potential exploitation attempts targeting the \u003ccode\u003eutm_source\u003c/code\u003e parameter in web server logs.\u003c/li\u003e\n\u003cli\u003eImplement input validation and output escaping mechanisms within the WP Statistics plugin to prevent similar XSS vulnerabilities in the future.\u003c/li\u003e\n\u003cli\u003eMonitor web server logs for requests containing suspicious characters or patterns within the \u003ccode\u003eutm_source\u003c/code\u003e parameter, as highlighted in the Sigma rule.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-26T12:00:00Z","date_published":"2024-01-26T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-26-wp-statistics-xss/","summary":"The WP Statistics WordPress plugin is vulnerable to stored cross-site scripting (XSS) via the 'utm_source' parameter, allowing unauthenticated attackers to inject arbitrary web scripts into admin pages.","title":"WP Statistics Plugin Stored XSS Vulnerability (CVE-2026-5231)","url":"https://feed.craftedsignal.io/briefs/2024-01-26-wp-statistics-xss/"}],"language":"en","title":"CraftedSignal Threat Feed - WP Statistics","version":"https://jsonfeed.org/version/1.1"}