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Vulnerabilities

Vulnerability · CVE-2020-2491

This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code.

Published Dec 10, 2020 · catalog updated Jun 17, 2026 · photo station

Last checked Nov 9, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2020-2491. EPSS is 0.99%. Act only if a listed version of photo station is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.99%
Remediation
Version ranges on file
Affected products
cpe qnap/photo station

This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo Station 5.7.12 and later QTS 4.3.4: Photo Station 5.7.13 and later QTS 4.3.3: Photo Station 5.4.10 and later QTS 4.2.6: Photo Station 5.2.11 and later

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qnap/photo station< 5.2.11
  • cpe qnap/photo station< 5.4.10
  • cpe qnap/photo station< 5.7.12
  • cpe qnap/photo station< 5.7.13
  • cpe qnap/photo station< 6.0.12

How to fix CVE-2020-2491

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2020-2491. EPSS is 0.99%. Act only if a listed version of photo station is installed.

Which versions are affected?

Compare what you have installed with qnap/photo station < 5.2.11; qnap/photo station < 5.4.10; qnap/photo station < 5.7.12; qnap/photo station < 5.7.13. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS); CWE-80: Basic XSS. EPSS 0.99%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

QNAP QTS security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 10, 2020 · Monitored products — high

    Detected

    This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo Station 5.7.12 and later QTS 4.3.4: Photo Station 5.7.13 and later QTS 4.3.3: Photo Station 5.4.10 and

  2. Jun 17, 2026 · Monitored products — high

    Updated

    This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo Station 5.7.12 and later QTS 4.3.4: Photo Station 5.7.13 and later QTS 4.3.3: Photo Station 5.4.10 and

Sources

  • CVE.orgVulnerability recordCVE-2020-2491

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2020-2491

    30-day exploitation probability 0.99%

    first.org
  • Monitored products — highVendor advisoryCVE-2020-2491

    This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo Station 5.7.12 and later QTS 4.3.4: Photo Station 5.7.13 and later QTS 4.3.3: Photo Station 5.4.10 and

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 9, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 9, 2026
  • CVE.orgNov 6, 2026
  • Monitored products — highNov 6, 2026