CVE-2021-27520
published 2021-03-19CVE-2021-27520: A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.
PriorityP340medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EXPLOIT
EPSS
6.40%
92.8th percentile
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fudforum | fudforum | — | — |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
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Exploit-DB
FUDForum 3.1.0 - 'author' Reflected XSS
exploitdb·2021-06-03·CVSS 6.1
CVE-2021-27520 [MEDIUM] FUDForum 3.1.0 - 'author' Reflected XSS
FUDForum 3.1.0 - 'author' Reflected XSS
---
# Exploit Title: FUDForum 3.1.0 - 'author' Reflected XSS
# Exploit Author: Piyush Patil
# Vendor Homepage: http://fudforum.org/
# Software Link: https://sourceforge.net/projects/fudforum/files/FUDforum_3.1.0.zip/download
# Version: FUDForum 3.1.0
# Tested on: Windows 10 and Kali
# CVE : CVE-2021-27520
-Description:
A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "author" parameter.
-Payload used:
y" onmouseover=alert(2) y="
-Steps to reproduce:
1- goto https://localhost/fudforum/index.php?t=search&
2- In the "Filter by User" search option, paste XSS payload
3- Hover your mouse to "y" and XSS will get triggered
Nuclei
FUDForum 3.1.0 - Cross-Site Scripting
nuclei·CVSS 6.1
CVE-2021-27520 [MEDIUM] FUDForum 3.1.0 - Cross-Site Scripting
FUDForum 3.1.0 - Cross-Site Scripting
FUDForum 3.1.0 contains a cross-site scripting vulnerability. An attacker can inject JavaScript via index.php in the author parameter, thereby possibly stealing cookie-based authentication credentials and launching other attacks.
Template:
id: CVE-2021-27520
info:
name: FUDForum 3.1.0 - Cross-Site Scripting
author: r3Y3r53
severity: medium
description: |
FUDForum 3.1.0 contains a cross-site scripting vulnerability. An attacker can inject JavaScript via index.php in the author parameter, thereby possibly stealing cookie-based authentication credentials and launching other attacks.
impact: |
Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft
2021-03-19
Published