SCEditor has DOM XSS via emoticon URL/HTML injection

Description

If an attacker has the ability control configuration options passed to sceditor.create(), like emoticons, charset, etc. then it’s possible for them to trigger an XSS attack due to lack of sanitisation of configuration options.

Recommendation

Update the sceditor package to the latest compatible version. Followings are version details:

• Affected version(s): <= 3.2.0
• Patched version(s): 3.2.1

References

• GHSA-25fq-6qgg-qpj8
• CVE-2026-25581
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Apostrophe has default XSS via `xmp` raw-text passthrough in `sanitize-html` - CVE-2026-44990
• i18next-locize-backend has URL Injection via Unsanitized Path Parameters - CVE-2026-41885
• Svelte: XSS via HTML Comment Injection in SSR Error Boundary Hydration Markers - CVE-2026-27902
• Apostrophe has stored XSS via javascript: URL in Image Widget Link - CVE-2026-45011

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Tags:

npm

sceditor