CVE-2021-34355

Stored XSS Vulnerability in Photo Station

MEDIUM

5.4

CVSS Score

Published: October 1, 2021 at 02:50 AM UTC

Updated: June 17, 2026 at 03:55 AM UTC

2 products affected across 1 vendorPhoto StationNAS

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.6%

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS 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 5.4.10 ( 2021/08/19 ) and later Photo Station 5.7.13 ( 2021/08/19 ) and later Photo Station 6.0.18 ( 2021/09/01 ) and later

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Photo Station · Qnap

95%

v < 5.4.10v < 5.4.10 ( 2021/08/19 )v < 5.7.13 ( 2021/08/19 )v < 6.0.18 ( 2021/09/01 )5.7.0 ≤ v < 5.7.136.0.0 ≤ v < 6.0.18

Affected range stops below 5.4.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.10 ( 2021/08/19 ), so it looks safe — our inference, not a vendor statement

Affected range stops below 5.7.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.7.13 ( 2021/08/19 ), so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.18, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.18 ( 2021/09/01 ), so it looks safe — our inference, not a vendor statement

qnap-nas (environment)

NAS · Qnapdevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.qnap.com/en/security-advisory/qsa-21-42

References (1)

x_refsource_MISCMitigationVendor Advisory

Source: [email protected]

https://www.qnap.com/en/security-advisory/qsa-21-42

CVSS

5.4MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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