Astra Linux – Vulnerability in Firefox and Thunderbird

A malicious extension could have opened a popup window without an address bar. The title of the popup without an address bar should not be fully controllable, but in this case it was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This...

Astra Linux – Vulnerability in Firefox and Thunderbird

A missing delay in popup notifications could have allowed an attacker to trick a user into granting permissions. This vulnerability affects Firefox 113, Firefox ESR 102.11, and Thunderbird 102.11...

Astra Linux – Vulnerability in Firefox

A spoofing issue exists in the Popup Blocker component. This vulnerability has been fixed in Firefox 151 and Thunderbird 151...

Astra Linux – Vulnerability in Firefox

If a website is allowed to display pop-up windows, it can cause Select elements to appear above other websites, thereby performing a spoofing attack. This vulnerability affects Firefox 130, Firefox ESR 128.2, and Thunderbird 128.2...

CVE-2026-77116

Brave Popup Builder slug: brave-popup-builder has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL...

CVE-2026-77115

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

EUVD-2026-64639

Brave Popup Builder slug: brave-popup-builder has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL...

CVE-2026-77116

Brave Popup Builder (WordPress plugin, slug: brave-popup-builder) versions through 0.8.5 contain a broken access control vulnerability. Any authenticated user with a low-privilege role (Subscriber or WooCommerce Customer) can read unpublished popup content by passing a post ID in the URL, effecti...

CVE-2026-77115

Brave Popup Builder (WordPress plugin) versions up to 0.8.5 are affected by an unauthenticated reflected XSS vulnerability. The root cause is the reflection of UTM query parameters into popup form HTML without proper output escaping, allowing an attacker to inject arbitrary script via crafted URL...

EUVD-2026-64638

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

CVE-2026-77116 Brave Popup Builder < 0.8.6 - Subscriber+ Unpublished Popup Disclosure via Preview

Brave Popup Builder slug: brave-popup-builder has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL...

CVE-2026-77115 Brave Popup Builder < 0.8.6 - Unauthenticated Reflected XSS via UTM Parameters

Brave Popup Builder brave-popup-builder up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them...

CVE-2026-35163 OctoPrint: XSS in Suppressed Command Notifications

OctoPrint provides a web interface for controlling consumer 3D printers. Prior to 1.11.8 and 2.0.0rc3, Suppressed Command notification popups use PNotify rendering for printer-controlled payload.command and payload.message values in src/octoprint/static/js/app/viewmodels/terminal.js without HTML...

CVE-2026-64972

ATutor is vulnerable to Reflected XSS via popup parameter in preview.php. An authenticated attacker can inject a double quote into the popup parameter, break out of the attribute value, and append a new event handler such as onload. The related previewtop.php file sanitises these parameters, but...

EUVD-2026-63373

ATutor is vulnerable to Reflected XSS via popup parameter in preview.php. An authenticated attacker can inject a double quote into the popup parameter, break out of the attribute value, and append a new event handler such as onload. The related previewtop.php file sanitises these parameters, but...

CVE-2026-64972 Reflected XSS in ATutor

ATutor is vulnerable to Reflected XSS via popup parameter in preview.php. An authenticated attacker can inject a double quote into the popup parameter, break out of the attribute value, and append a new event handler such as onload. The related previewtop.php file sanitises these parameters, but...

CVE-2026-64972

ATutor's preview.php renders the unsanitized "popup" parameter directly into an HTML attribute, allowing an authenticated attacker to break out of the value and inject an event handler (e.g., onload) for reflected XSS. CVSS 4.0 scores 4.8 (Medium). The product is unsupported and unfixed; version ...

CVE-2026-64972 Reflected XSS in ATutor

ATutor is vulnerable to Reflected XSS via popup parameter in preview.php. An authenticated attacker can inject a double quote into the popup parameter, break out of the attribute value, and append a new event handler such as onload. The related previewtop.php file sanitises these parameters, but...

CVE-2026-75916

In SiYuan through 3.7.3, genHintItemHTML() in app/src/protyle/hint/extend.ts concatenates block name, alias, and memo fields into HTML without escaping, enabling XSS via '((' autocomplete popups. Combined with nodeIntegration enabled, contextIsolation disabled, and no CSP, this escalates to arbit...

CVE-2026-75916 SiYuan XSS-to-RCE via unescaped block metadata in hint popup

SiYuan through 3.7.3 contains a cross-site scripting vulnerability in the '' block-reference autocomplete hint popup. In genHintItemHTML app/src/protyle/hint/extend.ts, a candidate block's name, alias, and memo fields are concatenated into the popup's HTML without escaping. An attacker who can se...