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CVE-2026-77615highCWE-79

Paella Player: Stored XSS via caption cue text

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.4%
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
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
Affected products
opencast · opencastpolimediaupv · paella-player
References
https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40https://github.com/opencast/opencast/pull/7736https://github.com/opencast/opencast/releases/tag/19.7https://github.com/opencast/opencast/releases/tag/20.2https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206bhttps://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.md?plain=1#L21https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03