CVE-2026-16617

Simple File List <= 6.3.11 - Unauthenticated Stored XSS via File Description

The Simple File List WordPress plugin through 6.3.11 does not properly sanitise and escape a file's description before outputting it on the public file list, allowing unauthenticated users (when front-end file management is enabled) to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor viewing the list.

We have discovered 2,220 live websites that are affected by CVE-2026-16617.

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Affected Software

Product  Simple File List
Category Wordpress Plugins
Vulnerable Domains2,220 live websites (100% of Simple File List install base)
Vulnerable Versions
  • from 0 through 6.3.11
Vulnerable Versions Count53 versions ( 100% of all versions)


Common Weakness Enumeration

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



Details

  • Published - Aug 19, 2026
  • Updated - Aug 19, 2026

Credits

  • Ruwantha Harshamal (finder)
  • WPScan (coordinator)

Website Distribution by Country

Number of websites using CVE-2026-16617
United States552 websites


Germany237 websites
GB219 websites
Italy122 websites
France119 websites
Spain87 websites
Netherlands82 websites
Denmark81 websites
Canada61 websites
Switzerland61 websites

Website Distribution by TLD

Number of websites using CVE-2026-16617
.com521 websites
.org284 websites
.de168 websites
.it90 websites
.nl68 websites
.co.uk56 websites
.ch55 websites
.fr52 websites
.net45 websites
.se44 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-16617

Top websites that are affected by CVE-2026-16617. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*****.de Germany**,***
****.*****.gov United States***,***
****.org United States***,***
*****************************.***.uk GB***,***
**************.com United States***,***
*************.com United States***,***
******.org United States***,***
************.org United States***,***
*******************.org United States***,***
******.de United States***,***
See full domain list

FAQ

CVE-2026-16617 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Simple File List
A total of 2,220 websites have been identified as vulnerable to CVE-2026-16617, based on global website indexing conducted by WebTechSurvey.
The Simple File List is affected by the CVE-2026-16617 vulnerability.
Simple File List versions up to and including 6.3.11 are vulnerable to CVE-2026-16617.