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Fencer Vulns
medium 6.1

CVE-2018-9861 json

Enhanced Image plugin for CKEditor is vulnerable to Cross-site scripting (XSS)

published 2018-04-18 8 y ago modified 2026-06-17 4 mo ago also DRUPAL-CORE-2018-003 , GHSA-g78h-pf65-46rv , EUVD-2022-3914

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in the Enhanced Image (aka image2) plugin for CKEditor (in versions 4.5.10 through 4.9.1; fixed in 4.9.2), as used in Drupal 8 before 8.4.7 and 8.5.x before 8.5.2 and other products, allows remote attackers to inject arbitrary web script through a crafted IMG element.

Patch / fix

  • packagist drupal/core 8.4.7, 8.5.2
  • npm ckeditor-dev 4.9.2
  • packagist drupal/drupal 8.4.7, 8.5.2
  • ckeditor enhanced_image 4.9.2
  • drupal drupal 8.4.7, 8.5.2
  • ckeditor Ubuntu 18.04 LTS 4.5.7+dfsg-2ubuntu0.18.04.1
  • ckeditor Ubuntu Pro 16.04 LTS 4.5.7+dfsg-2ubuntu0.16.04.1~esm1

ubuntu advisories UBUNTU-CVE-2018-9861

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-9861 updated cvss 7.1

ckeditor: Cross-site scripting (XSS) vulnerability when using image2 plugin

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.72% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist drupal/core
>=8.5.0, <8.5.2
>=8.0, <8.4.7
>=8.0.0, <8.4.7
8.5.2
8.4.7
npm ckeditor-dev
>=4.5.10, <4.9.2
4.9.2
packagist drupal/drupal
>=8.0, <8.4.7
>=8.5, <8.5.2
8.4.7
8.5.2

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.