Review reviewCritical

CVE-2023-31541

ckeditor

A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.

CVSS
9.8
EPSS
1.42%
70.2% percentile
CISA KEV
Not listed
Published
2023.06.14
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.42%
Technical severityCVSS 9.8

Vulnerability overview

A unrestricted file upload vulnerability was discovered in the ‘Browse and upload images’ feature of the CKEditor v1.2.3 plugin for Redmine, which allows arbitrary files to be uploaded to the server.

Affected product and versions

Product
ckeditor
Affected versions
1.2.3
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that ckeditor and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-434