CVE-2021-34356— Stored XSS Vulnerability in Photo Station
Quick assessment
Affected
QNAP Systems Inc. Photo Station
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 Photo Station是中国威联通科技（Qnap）公司的一个线上相册。用于整理 Qnap Nas 上的多媒体内容（相片和影片）。 Qnap Photo Station 6.0.18(2021 09 01) 之前版本的QNAP设备存在跨站脚本漏洞，远程攻击者可利用该漏洞注入恶意代码。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScript
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I. Basic Information for CVE-2021-34356
Vulnerability Information
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Vulnerability Title
Stored XSS Vulnerability in Photo Station
Source: CVE Program / CVE List V5
Vulnerability Description
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Photo Station. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Photo Station: Photo Station 6.0.18 ( 2021/09/01 ) and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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 Photo Station 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Photo Station是中国威联通科技（Qnap）公司的一个线上相册。用于整理 Qnap Nas 上的多媒体内容（相片和影片）。 Qnap Photo Station 6.0.18(2021 09 01) 之前版本的QNAP设备存在跨站脚本漏洞，远程攻击者可利用该漏洞注入恶意代码。
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. | Photo Station | unspecified ~ 6.0.18 ( 2021/09/01 ) | - |
|
II. Public POCs for CVE-2021-34356
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-34356 (1)
-
https://www.qnap.com/en/security-advisory/qsa-21-41 x_refsource_MISC
Same Patch Batch · QNAP Systems Inc. · 2021-10-01 · 5 CVEs total
| 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 |
| CVE-2021-38675 | 5.4 MEDIUM | Stored XSS Vulnerability in Image2PDF |
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V. Comments for CVE-2021-34356
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