ReviewHigh

CVE-2026-16616

Simple File List

The Simple File List WordPress plugin through 6.3.11 does not validate the source path of a file-move operation reachable by unauthenticated users, allowing them to read arbitrary files on the server and to relocate critical files out of the web root, leading to sensitive information disclosure and potential site takeover.

CVSS
8.6
EPSS
0.54%
43.5% percentile
CISA KEV
Not listed
Published
2026.08.19
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.54%
Technical severityCVSS 8.6

Vulnerability overview

The Simple File List WordPress plugin through 6.3.11 does not validate the source path of a file-move operation reachable by unauthenticated users, allowing them to read arbitrary files on the server and to relocate critical files out of the web root, leading to sensitive information disclosure and potential site takeover.

Affected product and versions

Product
Simple File List
Affected versions
<= 6.3.11
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 Simple File List 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:C/C:H/I:N/A:N
CWE
CWE-22