CVE-2026-25916

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage...

CVE-2026-25916

CVE-2026-25916 affects Roundcube Webmail: versions prior to 1.5.13 and prior to 1.6.13 fail to block SVG feImage usage when “Block remote images” is enabled, enabling a DOM-based attack via SVG href/feImage that can bypass remote-image blocking. The exploit path described involves SVG handling wh...

CVE-2026-25916

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage...

CVE-2026-25916

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage...

📄 Roundcube Webmail SVG Tracking

Roundcube's HTML sanitizer doesn't treat SVG feImage href as an image source. Attackers can bypass remote image blocking to track email opens. Roundcube Webmail , , and , but not on . Its href went through the wrong code path and got allowed through. Attackers could track email opens even when...

Roundcube Webmail 安全漏洞

Roundcube Webmail is an open-source browser-based IMAP client developed by Roundcube. It supports address book management, information search, spelling checking, and more. Versions of Roundcube Webmail prior to 1.5.13, as well as versions 1.6 through 1.6.13, had security vulnerabilities. These...

CVE-2026-25916: Unprotected Alternate Channel

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage...

FreeBSD : Roundcube -- Multiple vulnerabilities (f301a241-04d3-11f1-a38c-8447094a420f)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the f301a241-04d3-11f1-a38c-8447094a420f advisory. The Roundcube project reports: Unspecified CSS injection vulnerability. Remote image blocking bypass vi...

Roundcube -- Multiple vulnerabilities

The Roundcube project reports: Unspecified CSS injection vulnerability. Remote image blocking bypass via SVG content...

CVE-2026-22254

Winter is a free, open-source content management system CMS based on the Laravel PHP framework. Versions of Winter CMS before 1.2.10 allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would...

CVE-2026-25642

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

Payload-XSS

Payload-XSS Daftar Isi 1. Payload Dasar 1-20payload-...

CVE-2026-25642

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

CVE-2026-22254

Winter is a free, open-source content management system CMS based on the Laravel PHP framework. Versions of Winter CMS before 1.2.10 allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would...

CVE-2026-25642

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

CVE-2026-25642 HedgeDoc security headers for uploaded files were not working

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

CVE-2026-25642 HedgeDoc security headers for uploaded files were not working

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

CVE-2026-25642 HedgeDoc security headers for uploaded files were not working

HedgeDoc is an open source, real-time, collaborative, markdown notes application. Prior to 1.10.6, files served below the /uploads/ endpoint did not use a more strict security-policy. This resulted in a too open Content-Security-Policy and furthermore opened the possibility to host malicious...

CVE-2026-22254 Winter Affected by Stored Cross-Site Scripting (XSS) in Asset Manager

Winter is a free, open-source content management system CMS based on the Laravel PHP framework. Versions of Winter CMS before 1.2.10 allow users with access to the CMS Asset Manager were able to upload SVGs without automatic sanitization. To actively exploit this security issue, an attacker would...

CVE-2026-22254

CVE-2026-22254 affects Winter CMS prior to 1.2.10, where the Asset Manager allowed uploading SVGs without automatic sanitization if a user had cms.manage_assets. This could enable stored XSS in affected deployments, since the attacker must have backend access with that permission. The issue is fi...