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Fencer Vulns
no cvss —

CVE-2026-122078 json

The Extended HTML Filter module allows using style attributes in CKEditor.

published 2026-11-04 4 d ago modified 2026-11-04 4 d ago also DRUPAL-CONTRIB-2026-309

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no EPSS score yet
public exploits
0
none known

Summary

The Extended HTML Filter module allows using style attributes in CKEditor.

The module XSS filter does not sufficiently sanitize certain HTMX attributes, which can lead to a cross-site scripting (XSS) vulnerability.

The vulnerability is mitigated by the fact an attacker must be able to insert HTML with specific attributes.

Patch / fix

  • packagist drupal/extended_html_filter 1.0.4

Affected packages

ecosystem package affected fixed in
packagist drupal/extended_html_filter
<1.0.4
1.0.4

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.