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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products
opencast:opencast
polimediaupv:paella-player
References 9
https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b32947…
security-advisories@github.com
https://github.com/opencast/opencast/pull/7736
security-advisories@github.com
https://github.com/opencast/opencast/releases/tag/19.7
security-advisories@github.com
https://github.com/opencast/opencast/releases/tag/20.2
security-advisories@github.com
https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25
security-advisories@github.com
https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71e…
security-advisories@github.com
https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5e…
security-advisories@github.com
https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c684…
security-advisories@github.com
https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f…
security-advisories@github.com