Cross-Site Scripting (XSS) via SVG Schema innerHTML Injection in @pdfme/schemas

Description

The SVG schema plugin in @pdfme/schemas renders user-supplied SVG content using container.innerHTML = value without any sanitization, enabling arbitrary JavaScript execution in the user’s browser.

Recommendation

Update the @pdfme/schemas package to the latest compatible version. Followings are version details:

• Affected version(s): <= 5.5.8
• Patched version(s): 5.5.9

References

• GHSA-87v3-4cfp-cm76
• CWE-79
• OWASP 2021-A3

Related Issues

• Cross-Site Scripting (XSS) via Select Schema Option Value Injection in @pdfme/schemas - Vulnerability
• PDFME has XSS via Unsanitized i18n Label Injection into innerHTML in multiVariableText propPanel - Vulnerability
• beautiful-mermaid contains an SVG attribute injection issue that can lead to cross-site scripting (XSS) - CVE-2026-26226
• Parse Server vulnerable to stored cross-site scripting (XSS) via SVG file upload - CVE-2026-30948

Tags:

npm

@pdfme/schemas