Description
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.
Published: 2026-09-17
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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


Subscriptions

Opencast Opencast
Polimediaupv Paella-player
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