CVE-2023-37905
Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin
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.
- Record
CVE-2023-37905- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-2129
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.
- Record
EUVD-2023-2129- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q9w4-w667-qqj4
ckeditor-wordcount-plugin vulnerable to Cross-site Scripting in Source Mode of Editor
Problem
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.
Solution
Update to version 1.17.12 of the ckeditor-wordcount-plugin plugin.
Credits
- @sypets for reporting this finding to the TYPO3 Security Team
- @ohader for fixing the issue on behalf of the TYPO3 Security Team
- Record
GHSA-q9w4-w667-qqj4- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-37905- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross-site Scripting (XSS) in Source Mode of Editor in ckeditor-wordcount-plugin
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.
- Record
CVE-2023-37905- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-q9w4-w667-qqj4
ckeditor-wordcount-plugin vulnerable to Cross-site Scripting in Source Mode of Editor
Problem
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.
Solution
Update to version 1.17.12 of the ckeditor-wordcount-plugin plugin.
Credits
- @sypets for reporting this finding to the TYPO3 Security Team
- @ohader for fixing the issue on behalf of the TYPO3 Security Team
- Record
GHSA-q9w4-w667-qqj4- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ckeditor-wordcount-pluginnpm |
through 1.17.11 | 1.17.12 |
ckeditor-wordcount-pluginnpm |
before 1.17.12 | 1.17.12 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-37905 is a medium vulnerability (CVSS 6.1) in Ckeditor-wordcount-plugin Project Ckeditor-wordcount-plugin, published July 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. Fixed in ckeditor-wordcount-plugin 1.17.12.
References
github.com/w8tcha/CKEditor-WordCount-Plugin/security/advisories/GHSA-q9w4-w667-qqj4
typo3.org/security/advisory/typo3-core-sa-2023-004
nvd.nist.gov/vuln/detail/CVE-2023-37905