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Vulnerability record · CVE-2026-77615 · published 17 September 2026

CVE-2026-77615: Cross-site scripting vulnerability

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.

8.7 CVSS 3.1 High EPSS 0.56% · top 55.7% CWE-79 · Cross-site scripting Deferred
8.7CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
24 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

References

LinkTags
https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40
https://github.com/opencast/opencast/pull/7736
https://github.com/opencast/opencast/releases/tag/19.7
https://github.com/opencast/opencast/releases/tag/20.2
https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25
https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206b
https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4
https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.
https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03
https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25

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Source: NIST National Vulnerability Database (record CVE-2026-77615), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.