Opencast: Stored XSS in Paella player via WebVTT/DFXP caption cue text

Date Sep 18, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Maven · org.opencastproject:opencast-engage-paella-player-7

CVE CVE-2026-77615

High-risk advisory CVE-2026-77615

Summary

Opencast: Stored XSS in Paella player via WebVTT/DFXP caption cue text

Why it matters

GitHub has published a reviewed security advisory for org.opencastproject:opencast-engage-paella-player-7. Prioritize it with other application dependency updates.

Operator check

Check whether org.opencastproject:opencast-engage-paella-player-7 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-m6c8-jcw2-5r25 NVD — CVE-2026-77615 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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