Paella Player is a set of libraries to create a multi stream video player. Prior to Paella Player 2.12.11 (as used in Opencast prior to 19.7 and 20.2), there is a potential XSS attack though closed captions cue text. This vulnerability is fixed in 2.12.11.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m6c8-jcw2-5r25 Opencast: Stored XSS in Paella player via WebVTT/DFXP caption cue text
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 22 Sep 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Opencast
Opencast opencast
Polimediaupv
Polimediaupv paella-player
Vendors & Products Opencast
Opencast opencast
Polimediaupv
Polimediaupv paella-player

Fri, 18 Sep 2026 13:15:00 +0000

Type Values Removed Values Added
Description Paella Player is a set of libraries to create a multi stream video player. Prior to Paulla Player 2.12.11 (as used in Opencast prior to 19.7 and 20.2), there is a potential XSS attack though closed captions cue text. This vulnerability is fixed in 2.12.11. Paella Player is a set of libraries to create a multi stream video player. Prior to Paella Player 2.12.11 (as used in Opencast prior to 19.7 and 20.2), there is a potential XSS attack though closed captions cue text. This vulnerability is fixed in 2.12.11.

Thu, 17 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description Paella Player is a set of libraries to create a multi stream video player. Prior to Paulla Player 2.12.11 (as used in Opencast prior to 19.7 and 20.2), there is a potential XSS attack though closed captions cue text. This vulnerability is fixed in 2.12.11.
Title Paella Player: Stored XSS via caption cue text
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-22T01:50:02.242Z

Reserved: 2026-08-20T20:52:01.926Z

Link: CVE-2026-77615

cve-icon Vulnrichment

Updated: 2026-09-22T01:48:51.818Z

cve-icon NVD

Status : Received

Published: 2026-09-17T21:17:38.557

Modified: 2026-09-22T02:16:32.590

Link: CVE-2026-77615

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T19:30:16Z

Weaknesses