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GHSA-w8x4-x68c-m6fc
No affected components available
Impact
html2pdf.js contains a cross-site scripting (XSS) vulnerability when given a text source rather than an element. This text is not sufficiently sanitized before being attached to the DOM, allowing malicious scripts to be run on the client browser and risking the confidentiality, integrity, and availability of the page's data.
Example attack vector:
import html2pdf from 'html2pdf.js/src/index.js';
const maliciousHTML = '<img src=x onerror="alert(document.cookie)">';
html2pdf(maliciousHTML);
// or html2pdf().from(maliciousHTML);
Patches
This vulnerability has been fixed in html2pdf.js@0.14.0 to sanitize text sources using DOMPurify. There are no other breaking changes in this version.
Workarounds
Users of earlier versions of html2pdf.js must safely sanitize any text before using it as a source in html2pdf.js.
References
- Initial report: https://github.com/eKoopmans/html2pdf.js/issues/865
- Fix: https://github.com/eKoopmans/html2pdf.js/pull/877, v0.14.0
- CVE-2026-22787: https://nvd.nist.gov/vuln/detail/CVE-2026-22787
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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