Medium severity · published Oct 1, 2021
CVE-2021-34356
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Photo Station
5.4
CVSS
0.6%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PS
Photo Station · Qnap
before 6.0.18 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34356
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34356
Mitigation
https://www.qnap.com/en/security-advisory/qsa-21-41
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