CVE-2026-77615CWE-79cross-site-scripting

CVE-2026-77615

High · published September 18, 2026

CVSS v3.1
8.7
EPSS
1%
Percentile
45.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00559 · 45.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-18T01:17Z
References (10)
https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40 · [email protected]https://github.com/opencast/opencast/pull/7736 · [email protected]https://github.com/opencast/opencast/releases/tag/19.7 · [email protected]https://github.com/opencast/opencast/releases/tag/20.2 · [email protected]https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25 · [email protected]https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206b · [email protected]https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4 · [email protected]https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.md?plain=1#L21 · [email protected]https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03 · [email protected]https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 17 SEP 20:51Z
    Paella Player: Stored XSS via caption cue text
    cvelistv5