What is CVE-2020-2502?

CVE-2020-2502 is a medium-severity vulnerability in QNAP Photo Station, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-17.

How severe is CVE-2020-2502?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in QNAP Photo Station

CVE-2020-2502

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. Photo Station 6.0.11 and later

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

QNAP Photo Station
QNAP Systems Inc. Photo Station — versions unspecified

Weakness classification (CWE)

References

www.qnap.com/en/security-advisory/qsa-21-06 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-2502?: CVE-2020-2502 is a medium-severity vulnerability in QNAP Photo Station, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-17.
How severe is CVE-2020-2502?: Medium severity. CVSS v3 base score is 6.1 out of 10.