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CVE-2021-38675— Stored XSS Vulnerability in Image2PDF

Quick assessment

Affected
QNAP Systems Inc. Image2PDF
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Qnap Image2PDF是中国威联通科技（Qnap）公司的一款基于 Windows 平台的应用程式。用于组织图像文件，提供快速访问和查看。 Qnap Image2PDF 存在跨站脚本漏洞，该漏洞源于Image2PDF允许远程攻击者注入恶意代码。

CVSS 5.4 · Medium EPSS 0.60% · P49

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-38675

Vulnerability Information
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Vulnerability Title
Stored XSS Vulnerability in Image2PDF
Source: CVE Program / CVE List V5
Vulnerability Description
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Image2PDF. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Image2PDF: Image2PDF 2.1.5 ( 2021/08/17 ) and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Qnap Image2PDF 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Image2PDF是中国威联通科技（Qnap）公司的一款基于 Windows 平台的应用程式。用于组织图像文件，提供快速访问和查看。 Qnap Image2PDF 存在跨站脚本漏洞，该漏洞源于Image2PDF允许远程攻击者注入恶意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QNAP Systems Inc. Image2PDF unspecified ~ 2.1.5 ( 2021/08/17 ) -

II. Public POCs for CVE-2021-38675

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III. Intelligence Information for CVE-2021-38675

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Other References for CVE-2021-38675 (1)

Same Patch Batch · QNAP Systems Inc. · 2021-10-01 · 5 CVEs total

CVE-2021-34356 7.6 HIGH Stored XSS Vulnerability in Photo Station
CVE-2021-34355 7.6 HIGH Stored XSS Vulnerability in Photo Station
CVE-2021-34354 7.6 HIGH Stored Cross-site Scripting Vulnerability in Photo Station
CVE-2021-34352 7.2 HIGH Command Injection Vulnerability in QVR

IV. Related Vulnerabilities

Same vendor: QNAP Systems Inc.
Same weakness: CWE-79