Showdoc 2.10.3 - Stored Cross-Site Scripting (XSS)

2022-05-1700:00:00

Akshay Ravi

www.exploit-db.com

167

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

5.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.8%

JSON

# Exploit Title: Showdoc 2.10.3 - Stored Cross-Site Scripting (XSS)
# Exploit Author: Akshay Ravi
# Vendor Homepage: https://github.com/star7th/showdoc
# Software Link: https://github.com/star7th/showdoc/releases/tag/v2.10.3
# Version: <= 2.10.3
# Tested on: macOS Monterey
# CVE : CVE-2022-0967

Description: Stored XSS via uploading file in .ofd format

1. Create a file with .ofd extension and add XSS Payload inside the file
	
	filename = "payload.ofd"
	payload = "<script>alert(1)</script>"

2. Login to showdoc v2.10.2 and go to file library
	
	Endpoint = "https://www.site.com/attachment/index"

3. Upload the payload on file library and click on the check button
4. The XSS payload will executed once we visited the URL