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CVE-2023-37905

Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin

MEDIUM
6.1
CVSS Score
Published: July 21, 2023 at 07:35 PM UTC
Updated: June 17, 2026 at 06:08 AM UTC
3 products affected across 3 vendorsCkeditor Wordcount PluginCKEditor-WordCount-PluginCMS Rte Ckeditor

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

ckeditor-wordcount-plugin is an open source WordCount Plugin for CKEditor. It has been discovered that the `ckeditor-wordcount-plugin` plugin for CKEditor4 is susceptible to cross-site scripting when switching to the source code mode. This issue has been addressed in version 1.17.12 of the `ckeditor-wordcount-plugin` plugin and users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ckeditor Wordcount Plugin· Ckeditor Wordcount Plugin Projectnpm
95%
v < 1.17.12
Affected range stops below 1.17.12, so it looks safe — our inference, not a vendor statement
CMS Rte Ckeditor· TYPO3
60%
v < 10.4.39v < 11.5.30
Affected range stops below 10.4.39, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.5.30, so it looks safe — our inference, not a vendor statement
CKEditor-WordCount-Plugin· W8TCHA
60%
v < 1.17.12
Affected range stops below 1.17.12, so it looks safe — our inference, not a vendor statement

References (5)

Source: [email protected]
https://github.com/TYPO3/typo3/security/advisories/GHSA-m8fw-p3cr-6jqc
x_refsource_MISCPatch
Source: [email protected]
https://github.com/w8tcha/CKEditor-WordCount-Plugin/commit/0f03b3e5b7c1409998a13aba3a95396e6fa349d8
x_refsource_MISCPatch
Source: [email protected]
https://github.com/w8tcha/CKEditor-WordCount-Plugin/commit/a4b154bdf35b3465320136fcb078f196b437c2f1
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/w8tcha/CKEditor-WordCount-Plugin/security/advisories/GHSA-q9w4-w667-qqj4
Source: [email protected]
https://typo3.org/security/advisory/typo3-core-sa-2023-004

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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