CVE-2023-24488

MEDIUM EXPLOITED NUCLEI

Citrix Gateway 12.1-12.1-65.35 and 13.0-13.0-90.11 - Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-24488 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 7 public exploits from researchers including securitycipher, SirBugs, NSTCyber. A Nuclei detection template is also available.

AI-analyzed exploit summary The repository contains a Python script that checks for CVE-2023-24488, an open redirect and XSS vulnerability in Citrix Gateway. The script tests for the presence of an injected XSS payload in the response body and a 302 status code, indicating potential vulnerability.

Description

Cross site scripting vulnerability in Citrix ADC and Citrix Gateway  in allows and attacker to perform cross site scripting

Exploits (7)

nomisec SCANNER 14 stars
by securitycipher · client-side
https://github.com/securitycipher/CVE-2023-24488

The repository contains a Python script that checks for CVE-2023-24488, an open redirect and XSS vulnerability in Citrix Gateway. The script tests for the presence of an injected XSS payload in the response body and a 302 status code, indicating potential vulnerability.

Classification
Scanner 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Citrix Gateway
No auth needed
Prerequisites: Network access to the target Citrix Gateway instance
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC 9 stars
by SirBugs · client-side
https://github.com/SirBugs/CVE-2023-24488-PoC

The repository contains functional PoC code in Go and Python that demonstrates CVE-2023-24488, a reflected XSS vulnerability in Citrix Gateway and Citrix ADC. The exploit sends a crafted URL with a malicious script in the `post_logout_redirect_uri` parameter and checks for the presence of the script in the response.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Citrix Gateway, Citrix ADC
No auth needed
Prerequisites: Network access to the target Citrix Gateway/ADC instance
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec SCANNER 1 stars
by NSTCyber · poc
https://github.com/NSTCyber/CVE-2023-24488-SIEM-Sigma-Rule

This repository contains a Sigma rule for detecting exploitation attempts of CVE-2023-24488, a pre-auth XSS vulnerability in Citrix Gateway. The rule identifies malicious patterns in the `post_logout_redirect_uri` parameter but does not include functional exploit code.

Classification
Scanner 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Citrix Gateway
No auth needed
Prerequisites: Access to Citrix Gateway instance
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec SCANNER
by raytheon0x21 · poc
https://github.com/raytheon0x21/CVE-2023-24488

The repository contains a Go-based tool that scans for CVE-2023-24488 by checking if a target URL is vulnerable to an open redirect and XSS attack via a crafted logout endpoint. It does not exploit the vulnerability but detects it by verifying the presence of a malicious script in the response.

Classification
Scanner 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Unknown (likely a web application with OAuth IDP logout functionality)
No auth needed
Prerequisites: Access to the target URL
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →
vulncheck_xdb SCANNER
client-side
https://github.com/NSTCyber/CVE-2023-24488

This repository contains a Sigma rule for detecting exploitation attempts of CVE-2023-24488, a pre-auth XSS vulnerability in Citrix Gateway. The rule identifies malicious patterns in the `post_logout_redirect_uri` parameter.

Classification
Scanner 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Citrix Gateway
No auth needed
Prerequisites: SIEM platform supporting Sigma rules
devstral-2 · analyzed Feb 25, 2026 Full analysis →
vulncheck_xdb WORKING POC
client-side
https://github.com/k00kx/CVE-2023-24488

The repository contains a functional Nuclei template for CVE-2023-24488, which exploits an XSS vulnerability in Citrix Gateway via a crafted `post_logout_redirect_uri` parameter. The template sends a malicious payload and checks for the reflected script in the response.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Citrix Gateway
No auth needed
Prerequisites: Access to the target Citrix Gateway instance
devstral-2 · analyzed Feb 25, 2026 Full analysis →
vulncheck_xdb WRITEUP
client-side
https://github.com/xalgord/My-Methodologies

This repository contains a collection of methodologies and techniques for web application security testing, including XSS, SQL injection, open redirect, and reconnaissance strategies. It provides detailed technical guidance and tool usage examples but does not include functional exploit code for CVE-2023-24488.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: N/A
No auth needed
Prerequisites: Basic knowledge of web application security testing tools and techniques
devstral-2 · analyzed Feb 25, 2026 Full analysis →

Nuclei Templates (1)

Citrix Gateway and Citrix ADC - Cross-Site Scripting
MEDIUMby johnk3r,DhiyaneshDk
Shodan: title:"Citrix Gateway" || http.title:"citrix gateway"
FOFA: title="citrix gateway"

Scores

CVSS v3 6.1
EPSS 0.9136
EPSS Percentile 99.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

VulnCheck KEV 2023-11-15
CWE
CWE-79
Status published
Products (4)
citrix/application_delivery_controller 12.1 - 12.1-55.296 (2 CPE variants)
citrix/application_delivery_controller 12.1 - 12.1-65.35
citrix/application_delivery_controller 13.0 - 13.0-90.11
citrix/gateway 12.1 - 12.1-65.35
Published Jul 10, 2023
Tracked Since Feb 18, 2026