CVE-2026-28568

Unauthenticated Cross Site Scripting XSS in Quill Forms = 5.7.1 versions...

CVE-2026-28568 WordPress Quill Forms plugin <= 5.7.1 - Cross Site Scripting (XSS) vulnerability

Unauthenticated Cross Site Scripting XSS in Quill Forms = 5.7.1 versions...

CVE-2026-28568

An unauthenticated reflected XSS vulnerability affects the WordPress Quill Forms plugin through version 5.7.1, exploitable via a crafted URL requiring only victim interaction. CVSS 3.1 scores it HIGH (7.1). Patchstack reports it was discovered by daroo; no specific patch version is provided in th...

EUVD-2026-60893

Unauthenticated Cross Site Scripting XSS in Quill Forms = 5.7.1 versions...

CVE-2026-28568

Unauthenticated Cross Site Scripting XSS in Quill Forms = 5.7.1 versions...

CVE-2026-75091

The Quill Forms | Conversational Multi Step Forms, Surveys & quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.7.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to...

CVE-2026-75091

The Quill Forms WordPress plugin (versions ≤ 5.7.1) has a stored XSS flaw from insufficient input sanitization and output escaping, allowing unauthenticated attackers to inject scripts that execute when users view affected pages. CVSS 7.2 HIGH; no confirmed in-the-wild exploitation reported. Patc...

CVE-2026-75091 Quill Forms <= 5.7.1 - Unauthenticated Stored Cross-Site Scripting

The Quill Forms | Conversational Multi Step Forms, Surveys & quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.7.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to...

EUVD-2026-60570

The Quill Forms | Conversational Multi Step Forms, Surveys & quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.7.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to...

WordPress Quill Forms plugin <= 5.7.1 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by daroo in WordPress Plugin Quill Forms versions = 5.7.1...

CVE-2026-54889

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

CVE-2026-54889

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

CVE-2026-54889 Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

CVE-2026-54889

Summary: CVE-2026-54889 security issue in Elixir.MDEx.mdex Delta conversion path allows XSS via unsanitized URL schemes in Quill Delta output. The vulnerability arises when Elixir.MDEx.DeltaConverter.default_convert_node/3 copies the URL from link, wikilink, or image nodes into the Delta attribut...

EEF-CVE-2026-54889 Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)

Summary Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':to\delta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':default\convert\node/3...

CVE-2026-54889 Unsanitized URL schemes in MDEx Quill Delta output allow javascript: injection (XSS)

Improper Neutralization of Input During Web Page Generation XSS vulnerability in leandrocp mdex allows cross-site scripting via unsanitized URL schemes in Quill Delta output. 'Elixir.MDEx':todelta/2 converts Markdown into a Quill Delta. 'Elixir.MDEx.DeltaConverter':defaultconvertnode/3 in...

PT-2026-53687

Name of the Vulnerable Software and Affected Versions leandrocp mdex versions 0.8.3 through 0.13.1 Description Improper neutralization of input during web page generation allows cross-site scripting XSS via unsanitized URL schemes in Quill Delta output. The function to delta/2 converts Markdown...

How Opera’s Security team helps make the web safer through responsible disclosure

Security How Opera’s Security team helps make the web safer through responsible disclosure Share April 17th, 2026 Hi everyone! At Opera, we have 30 years of experience in building safe and secure browsers. Our seasoned Security team collaborates internally as well as with external researchers to...

SUSE CVE-2026-31959

Quill provides simple mac binary signing and notarization from any platform. Quill before version v0.7.1 contains a Server-Side Request Forgery SSRF vulnerability when attempting to fetch the Apple notarization submission logs. Exploitation requires the ability to modify API responses from Apple'...

SUSE CVE-2026-31960

Quill provides simple mac binary signing and notarization from any platform. Quill before version v0.7.1 has unbounded reads of HTTP response bodies during the Apple notarization process. Exploitation requires the ability to modify API responses from Apple's notarization service, which is not...