Swagger UI 1.0.3 - Cross-Site Scripting (XSS)
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Rated by Threat Radar
Data as of 31 Oct 2025, 14:27 UTC
What to do
AI-suggested
1. Upgrade Swagger UI to the latest version where this XSS vulnerability is patched. If an official patch is not yet available, monitor vendor advisories closely. 2. Implement strict input validation and output encoding on all parameters and inputs rendered by Swagger UI to prevent injection of malicious scripts. 3. Deploy Content Security Policy (CSP) headers that restrict the execution of inline scripts and only allow trusted sources to reduce the impact of potential XSS payloads. 4. Restrict access to Swagger UI interfaces to trusted internal networks or authenticated users to reduce exposure. 5. Regularly audit and monitor web application logs for suspicious requests or attempts to exploit XSS vulnerabilities. 6. Educate developers and administrators about secure coding practices and the risks associated with exposing API documentation publicly. 7. Consider using web application firewalls (WAFs) with rules designed to detect and block XSS attack patterns targeting Swagger UI endpoints.
Description
Swagger UI 1.0.3 - Cross-Site Scripting (XSS)
Indicators of compromise
Exploit source code
/*
* Author : Byte Reaper
* Telegram : @ByteReaper0
* CVE : CVE-2025-8191
* Title : Swagger UI 1.0.3 - Cross-Site Scripting (XSS)
* Description : CVE-2025-8191, a vulnerability in the Swagger UI service due to poor description parameter filtering, leading to command execution on a remote server.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "argparse.h"
#include <curl/curl.h>
int portSel = 0;
int portServerSel = 0;
int selectFile = 0;
const …