{"id":"CVE-2021-34355","aliases":["EUVD-2021-21015","GHSA-673r-qghc-fvv3"],"status":"published","title":"Stored XSS Vulnerability in Photo Station","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","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00649,"percentile":0.51381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-01T02:50:17Z","modified":"2026-06-17T03:55:42Z","products":[{"vendor":"qnap","product":"photo_station"},{"vendor":"qnap systems inc.","product":"photo station"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-21-42","tags":["x_refsource_MISC","x_transferred","Mitigation","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34355"},{"url":"https://github.com/advisories/GHSA-673r-qghc-fvv3"}],"sources":{"cve":[{"id":"CVE-2021-34355","title":"Stored XSS Vulnerability in Photo Station","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","status":"published","published":"2021-10-01T02:50:17.806Z","modified":"2024-09-16T22:24:56.305Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21015","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","status":"published","published":"2021-10-01T02:50:17Z","modified":"2024-09-16T22:24:56Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-03T00:55:03.452021Z"}],"ghsa":[{"id":"GHSA-673r-qghc-fvv3","title":"A cross-site scripting (XSS) vulnerability has been reported to affect QNAP NAS running Photo...","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","status":"published","published":"2022-05-24T19:16:21Z","modified":"2023-01-30T05:02:33Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:39.888016Z"}],"nvd":[{"id":"CVE-2021-34355","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","status":"published","published":"2021-10-01T03:15:06.743Z","modified":"2026-06-17T03:55:42.59Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:59.314106Z"}]}}