{"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/alertus/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":6.1,"id":"CVE-2026-38903"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["Desktop Alert (v5.4.98.0)"],"_cs_severities":["medium"],"_cs_tags":["HTML injection","certificate validation bypass"],"_cs_type":"advisory","_cs_vendors":["Alertus"],"content_html":"\u003cp\u003eAlertus Desktop Alert v5.4.98.0 for Windows is susceptible to remote HTML injection due to a failure in the PKI module to validate certificate chains. An attacker who can redirect DNS resolution can serve forged responses signed with an attacker-generated key. The client renders this input in a Trident (IE) WebBrowser control without sanitization, enabling JavaScript execution, protocol handler navigation, and the spawning of registered executables.\u003c/p\u003e\n","date_modified":"2026-10-26T22:07:01Z","date_published":"2026-10-26T22:07:01Z","id":"https://feed.craftedsignal.io/briefs/2026-10-alertus-desktop-alert-rce/","summary":"A public proof-of-concept (PoC) exists for CVE-2026-38903, an unauthenticated remote HTML injection vulnerability in Alertus Desktop Alert v5.4.98.0. The vulnerability stems from a certificate validation bypass that allows attackers to render arbitrary HTML and execute JavaScript within a Trident WebBrowser control.","title":"Alertus Desktop Alert: Unauthenticated Remote HTML Injection (CVE-2026-38903)","url":"https://feed.craftedsignal.io/briefs/2026-10-alertus-desktop-alert-rce/"}],"language":"en","title":"CraftedSignal Threat Feed - Alertus","version":"https://jsonfeed.org/version/1.1"}