chore(deps): bump ckeditor4 from 4.24.0 to 4.25.0

[dependabot]

Bumps ckeditor4 from 4.24.0 to 4.25.0.

Changelog

Sourced from ckeditor4's changelog.

⚠️️️ CKEditor 4 (the open source edition) is no longer maintained. ⚠️

If you would like to keep access to future CKEditor 4 security patches, check the Extended Support Model, which guarantees security updates and critical bug fixes until December 2026. Alternatively, upgrade to CKEditor 5.

CKEditor 4.25.0-lts

⚠️️️ Please note that this release is a part of CKEditor 4 Extended Support Model, only available to customers who decided to acquire the LTS (Long Term Support) version of the editor. All editor versions below 4.25.0-lts can no longer be considered as secure! ⚠️

Security Updates:

• Fixed reflected cross-site scripting (XSS) vulnerability in Code Snippet GeSHi plugin reported by Jiasheng He from Qihoo 360.

  Issue summary: The vulnerability allowed a reflected XSS attack by exploiting a flaw in the GeSHi syntax highlighter library hosted by the victim. The GeSHi library was included as a vendor dependency in CKEditor 4 source files. In a specific scenario, an attacker could craft a malicious script that could be executed by sending a request to the GeSHi library hosted on a PHP web server. See GHA for more details.

• Fixed low-risk cross-site scripting (XSS) vulnerability linked to potential domain takeover

  Issue summery: A theoretical vulnerability has been identified in CKEditor 4.22 (and above). In a highly unlikely scenario where an attacker gains control over the https://cke4.ckeditor.com domain, they could potentially execute an attack on CKEditor 4 instances. Although the vulnerability is purely hypothetical, we have addressed it in CKEditor 4.25.0-lts to ensure compliance with security best practices. See GHA for more details.

You can read more details in the relevant security advisories. Contact us if you have more questions.

An upgrade is highly recommended!

Updated dependencies:

• CodeMirror (used only in the Toolbar Configurator in samples) has been updated to v5.65.17 for improved stability and performance.

• Highlight.js (used by the Code Snippet plugin) has been updated to v11.9.0, introducing two breaking changes:

  • dropped support for Internet Explorer,
  • updated list of the supported themes – some of the themes are no longer officially supported, others may have their names changed (e.g. monokai_sublime is now monokai-sublime). Please verify the value of your config.codeSnippet_theme configuration option and adjust theme names as needed. The list of available themes can be checked in the plugins/codesnippet/lib/highlight/styles directory.

CKEditor 4.24.0-lts

⚠️️️ Please note that this release is a part of CKEditor 4 Extended Support Model, only available to customers who decided to acquire the LTS (Long Term Support) version of the editor. All editor versions below 4.24.0-lts can no longer be considered as secure! ⚠️

Security Updates:

• Fixed cross-site scripting (XSS) vulnerability caused by incorrect CDATA detection reported by Michal Frýba, ALEF NULA.

  Issue summary: The vulnerability allowed to inject malformed HTML content bypassing Advanced Content Filtering mechanism, which could result in executing JavaScript code. See GHA for more details.

• Fixed cross-site scripting (XSS) vulnerability in AJAX sample reported by Rafael Pedrero, see INCIBE report.

  Issue summary: The vulnerability allowed to execute JavaScript code by abusing the AJAX sample. See GHA for more details.

• Cross-site scripting (XSS) vulnerability in samples with enabled the preview feature reported by Marcin Wyczechowski & Michał Majchrowicz AFINE Team.

  Issue summary: The vulnerability allowed to execute JavaScript code by abusing the misconfigured preview feature. See GHA for more details.

You can read more details in the relevant security advisories. Contact us if you have more questions.

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