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  5. CVE-2020-11083

CVE-2020-11083: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

August 5, 2020 (updated March 4, 2021)

In October from version 1.0.319 and before version 1.0.466, a user with access to a markdown FormWidget that stores data persistently could create a stored XSS attack against themselves and any other users with access to the generated HTML from the field. This has been fixed in 1.0.466. For users of the RainLab.Blog plugin, this has also been fixed in 1.4.1.

References

  • packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html
  • seclists.org/fulldisclosure/2020/Aug/2
  • github.com/advisories/GHSA-w4pj-7p68-3vgv
  • github.com/octobercms/october/commit/9ecfb4867baae14a0d3f99f5b5c1e8a979ae8746
  • github.com/octobercms/october/security/advisories/GHSA-w4pj-7p68-3vgv
  • github.com/rainlab/blog-plugin/commit/6ae19a6e16ef3ba730692bc899851342c858bb94
  • nvd.nist.gov/vuln/detail/CVE-2020-11083

Code Behaviors & Features

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Affected versions

All versions starting from 1.0.319 before 1.0.466

Fixed versions

  • 1.0.466

Solution

Upgrade to version 1.0.466 or above.

Impact 3.5 LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/october/backend/CVE-2020-11083.yml

Spotted a mistake? Edit the file on GitLab.

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