PT-2026-33815

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the ticket subject field that allows authenticated staff members to inject malicious JavaScript by manipulating the editsubject POST parameter. Attackers can inject XSS payloads through inadequate sanitization in...

Cross-site Scripting (XSS)

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS leading to cross-site scripting, via custom elements. When CUSTOMELEMENTHANDLING is not enabled, and an attacker has already polluted the prototype...

Cross-site Scripting (XSS)

Overview org.webjars.npm:dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS leading to cross-site scripting, via custom elements. When CUSTOMELEMENTHANDLING is not enabled, and an attacker has already pollut...

011xwztpjn (1.0.0), 02y9dg4qm3 (1.0.0) +11501 more potentially affected by CVE-2026-41239 via dompurify (>=1.0.10, <=3.3.3)

dompurify NPM version =1.0.10, =3.3.3 is affected by a known vulnerability. The following packages have a transitive dependency on dompurify and may be impacted: - 011xwztpjn 1.0.0 - 02y9dg4qm3 1.0.0 - 04tw75kmd9 1.0.0 - 0650teqqly 1.0.0 - 097oi25ils 1.0.0 - 0a0fpniotn 1.0.0 - 0c7j76u46q 1.0.0 -...

CVE-2026-5718

CVE-2026-5718 affects the WordPress plugin Drag and Drop Multiple File Upload for Contact Form 7 (CF7) up to version 1.3.9.6, with a remote code execution risk due to two independent logic flaws: (1) a blacklist-type bypass where a custom blacklist replaces rather than merges with the default dan...

Paperclip: Stored XSS via javascript: URLs in MarkdownBody — urlTransform override disables react-markdown sanitization

Summary MarkdownBody, the shared component used to render every Markdown surface in the Paperclip UI issue documents, issue comments, chat threads, approvals, agent details, export previews, etc., passes urlTransform=url = url to react-markdown. That override replaces react-markdown's built-in...

CVE-2026-39426

MaxKB is an open-source AI assistant for enterprise. Versions 2.7.1 and below contain a Stored Cross-Site Scripting XSS vulnerability where the frontend's MdRenderer.vue component parses custom tags from LLM responses or Application Prologue configurations, bypassing standard Markdown sanitizatio...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2124 more potentially affected by CVE-2026-65903 via dompurify (>=3.0.0, <=3.3.3)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =0.2.8-experimental.0, =0.2.10 and more Source cves: CVE-2026-65903 Source advisory: OSV:GHSA-39Q2-94RC-95CP...

WWBN AVideo has an incomplete fix for CVE-2026-33500: XSS

Summary The incomplete XSS fix in AVideo's ParsedownSafeWithLinks class overrides inlineMarkup for raw HTML but does not override inlineLink or inlineUrlTag, allowing javascript: URLs in markdown link syntax to bypass sanitization. Affected Package - Ecosystem: Other - Package: AVideo - Affected...

GHSA-26WG-9XF2-Q495 Novu has a XSS sanitization bypass

Summary XSS sanitization is incomplete, some attributes are missing such as oncontentvisibilityautostatechange=. This allows for the email preview to render HTML that executes arbitrary JavaScript, Details Sanitization is implemented here:...

Novu has a XSS sanitization bypass

Summary XSS sanitization is incomplete, some attributes are missing such as oncontentvisibilityautostatechange=. This allows for the email preview to render HTML that executes arbitrary JavaScript, Details Sanitization is implemented here:...

CVE-2026-32272

Craft Commerce is an ecommerce platform for Craft CMS. In versions 5.0.0 through 5.5.4, an SQL injection vulnerability exists where the ProductQuery::hasVariant and VariantQuery::hasProduct properties bypass the input sanitization blocklist added to ElementIndexesController in a prior security fi...

GHSA-45Q4-X4R9-8FQJ Vikunja has HTML Injection via Task Titles in Overdue Email Notifications

Summary Task titles are embedded directly into Markdown link syntax in overdue email notifications without escaping Markdown special characters. When rendered by goldmark and sanitized by bluemonday which allows and tags, injected Markdown constructs produce phishing links and tracking pixels in...

CVE-2026-4336

CVE-2026-4336 affects the WordPress plugin Ultimate FAQ Accordion (≤ 2.4.7). The root cause is that html_entity_decode() is applied to post_content during rendering in View.FAQ.class.php (set_display_variables), which restores HTML entities, combined with insufficient output escaping in faq-answe...

EUVD-2026-20610

NiceGUI: Upload filename sanitization bypass via backslashes allows path traversal on Windows...

GHSA-W8WV-VFPC-HW2W NiceGUI: Upload filename sanitization bypass via backslashes allows path traversal on Windows

Summary The upload filename sanitization introduced in GHSA-9ffm-fxg3-xrhh uses PurePosixPathfilename.name to strip path components. Since PurePosixPath only recognizes forward slashes / as path separators, an attacker can bypass this sanitization on Windows by using backslashes \ in the upload...

CVE-2026-29135

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to craft a password-tag that bypasses subject sanitization...

CVE-2026-29144

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters...

CVE-2026-29141

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge tags such as signed OK...

1router (>=0.3.96, <=1.0.2), 8router (>=0.5.12, <=0.5.24) +2050 more potentially affected by CVE-2026-65912 via dompurify (>=3.0.0, <=3.3.1)

dompurify NPM version =3.0.0, =0.3.96, =0.5.12, =0.3.33, =0.5.0, =0.4.71, =1.0.0, =1.5.1, =0.18.0-beta.0, =0.1.0-alpha.1, =0.1.0, =0.1.0, =0.0.0-dev-20240828032938, =0.2.8-experimental.0, =0.2.10 and more Source cves: CVE-2026-65912 Source advisory: OSV:GHSA-CJMM-F4JC-QW8R...