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Vulnerability record · CVE-2019-8939 · published 19 February 2019

CVE-2019-8939: Tautulli cross-site scripting vulnerability

Tautulli · Tautulli

data/interfaces/default/history.html in Tautulli 2.1.26 has XSS via a crafted Plex username that is mishandled when constructing the History page.

6.1 CVSS 3.0 Medium EPSS 1.1% · top 36.0% CWE-79 · Cross-site scripting
6.1CVSS 3.0 base score, v2 4.3
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

data/interfaces/default/history.html in Tautulli 2.1.26 has XSS via a crafted Plex username that is mishandled when constructing the History page.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/107171 Third Party AdvisoryVDB Entry
https://github.com/Tautulli/Tautulli-Issues/issues/161 ExploitPatchThird Party Advisory
http://www.securityfocus.com/bid/107171 Third Party AdvisoryVDB Entry
https://github.com/Tautulli/Tautulli-Issues/issues/161 ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.7CVE-2026-31831Tautulli relative path traversal vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.0, the /newsletter/image/images API endpoint is …EPSS 1.9%7.5CVE-2026-28505Tautulli code injection vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. Prior to version 2.17.0, the str_eval() function in notification_handl…EPSS 0.55%7.5CVE-2025-58760Tautulli relative path traversal vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. The `/image` API endpoint in Tautulli v2.15.3 and earlier is vulnerabl…EPSS 0.64%7.5CVE-2025-58761Tautulli vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. The `real_pms_image_proxy` endpoint in Tautulli v2.15.3 and prior is v…EPSS 0.68%7.4CVE-2026-32275Tautulli cross-site scripting vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. From version 1.3.10 to before version 2.17.0, an unsanitized JSONP cal…EPSS 0.42%7.2CVE-2025-58763Tautulli os command injection vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. A command injection vulnerability in Tautulli v2.15.3 and prior allows…EPSS 1.7%7.2CVE-2025-58762Tautulli vulnerabilityTautulli is a Python based monitoring and tracking tool for Plex Media Server. In Tautulli v2.15.3 and earlier, an attacker with administrative acces…EPSS 0.82%6.5CVE-2019-19833Tautulli cross-site request forgery vulnerabilityIn Tautulli 2.1.9, CSRF in the /shutdown URI allows an attacker to shut down the remote media server. (Also, anonymous access can be achieved in appl…EPSS 15%

Source: NIST National Vulnerability Database (record CVE-2019-8939), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.