{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/pachno/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.2,"id":"CVE-2026-40038"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Pachno"],"_cs_severities":["medium"],"_cs_tags":["xss","web-application","pachno"],"_cs_type":"advisory","_cs_vendors":["Pachno"],"content_html":"\u003cp\u003ePachno version 1.0.6 is susceptible to a stored cross-site scripting (XSS) vulnerability. This flaw allows an attacker to inject arbitrary HTML and script code into the application by exploiting multiple POST parameters, including \u003ccode\u003evalue\u003c/code\u003e, \u003ccode\u003ecomment_body\u003c/code\u003e, \u003ccode\u003earticle_content\u003c/code\u003e, \u003ccode\u003edescription\u003c/code\u003e, and \u003ccode\u003emessage\u003c/code\u003e. The injected payloads are stored in the database and subsequently executed within the browser sessions of other users who interact with the affected data. The root cause of this vulnerability lies in the application's failure to properly sanitize user-supplied input via \u003ccode\u003eRequest::getRawParameter()\u003c/code\u003e or \u003ccode\u003eRequest::getParameter()\u003c/code\u003e calls before storing it in the database. Successful exploitation of this vulnerability can lead to account compromise, data theft, and other malicious activities.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker identifies a vulnerable POST parameter in Pachno 1.0.6, such as \u003ccode\u003evalue\u003c/code\u003e, \u003ccode\u003ecomment_body\u003c/code\u003e, \u003ccode\u003earticle_content\u003c/code\u003e, \u003ccode\u003edescription\u003c/code\u003e, or \u003ccode\u003emessage\u003c/code\u003e.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious payload containing JavaScript code, embedding it within the chosen POST parameter. For example, \u003ccode\u003e\u0026lt;script\u0026gt;alert(\u0026quot;XSS\u0026quot;)\u0026lt;/script\u0026gt;\u003c/code\u003e.\u003c/li\u003e\n\u003cli\u003eThe attacker submits the crafted payload to the Pachno server through a legitimate web form or API endpoint, using an HTTP POST request.\u003c/li\u003e\n\u003cli\u003eThe Pachno server receives the POST request and stores the malicious payload in the database without proper sanitization or encoding.\u003c/li\u003e\n\u003cli\u003eA legitimate user requests or accesses the data containing the stored XSS payload through a web page.\u003c/li\u003e\n\u003cli\u003eThe Pachno server retrieves the data from the database and includes the unsanitized payload in the HTML response sent to the user's browser.\u003c/li\u003e\n\u003cli\u003eThe user's browser renders the HTML content, executing the embedded JavaScript code from the attacker's payload.\u003c/li\u003e\n\u003cli\u003eThe malicious JavaScript code executes within the user's browser, potentially stealing cookies, redirecting the user to a malicious site, or performing other actions on behalf of the attacker.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this stored XSS vulnerability in Pachno 1.0.6 can have significant consequences. Attackers can compromise user accounts by stealing session cookies or credentials. They can also inject malicious content into web pages viewed by other users, potentially spreading malware or phishing attacks. The impact is amplified by the fact that the malicious payloads are stored in the database, affecting all users who interact with the compromised data. This could potentially affect all users of the Pachno instance.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply sanitization to all user-supplied POST parameters to prevent XSS injection using the \u003ccode\u003eRequest::getRawParameter()\u003c/code\u003e or \u003ccode\u003eRequest::getParameter()\u003c/code\u003e calls.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u003ccode\u003ePachno XSS POST Parameter Detection\u003c/code\u003e to identify potential exploitation attempts by monitoring for suspicious script tags within POST requests.\u003c/li\u003e\n\u003cli\u003eImplement Content Security Policy (CSP) to mitigate the impact of XSS attacks by restricting the sources from which the browser is allowed to load resources.\u003c/li\u003e\n\u003cli\u003eUpgrade to a patched version of Pachno that addresses CVE-2026-40038 as soon as one becomes available.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-09T12:00:00Z","date_published":"2024-01-09T12:00:00Z","id":"https://feed.craftedsignal.io/briefs/2024-01-pachno-xss/","summary":"Pachno 1.0.6 is vulnerable to stored cross-site scripting (XSS), allowing attackers to inject malicious HTML or scripts into POST parameters, which are then stored and executed in user browser sessions due to improper sanitization.","title":"Pachno 1.0.6 Stored Cross-Site Scripting Vulnerability","url":"https://feed.craftedsignal.io/briefs/2024-01-pachno-xss/"}],"language":"en","title":"CraftedSignal Threat Feed - Pachno","version":"https://jsonfeed.org/version/1.1"}