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  4. CVE 2026 77615 paella player stored xss via caption cue text
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Back to active CVEs
High · CVSS 8.7CVE-2026-77615GHSA-M6C8-JCW2-5R25

Paella Player: Stored XSS via caption cue textCVE-2026-77615

Answer in brief

CVE-2026-77615 records a High severity (CVSS 8.7) vulnerability in Paella Player: Stored XSS via caption cue text. The current sources do not mark it as known exploited. The current feed maps opencast/opencast (generic), polimediaupv/paella-player (generic), org.opencastproject:opencast-engage-paella-player-7 (maven), org.opencastproject:opencast-engage-paella-player-7 (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 17, 2026Updated Sep 24, 2026Source checked Nov 2, 2026First seen by HOL Sep 17, 2026Material review Sep 24, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.7
Exploitation
Not marked as known exploited
Affected software
8 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps opencast/opencast (generic), polimediaupv/paella-player (generic), org.opencastproject:opencast-engage-paella-player-7 (maven), org.opencastproject:opencast-engage-paella-player-7 (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
opencast/opencastgeneric<19.7 || >=20.0 <20.219.7, 20.2
polimediaupv/paella-playergeneric<2.12.112.12.11
org.opencastproject:opencast-engage-paella-player-7maven>=0 <19.719.7
org.opencastproject:opencast-engage-paella-player-7maven>=20.0 <20.220.2
org.opencastproject:opencast-engage-paella-player-7maven<19.719.7
org.opencastproject:opencast-engage-paella-player-7maven>=20.0,<20.220.2
paella-corenpm<1.50.61.50.6
paella-corenpm>=0 <1.50.61.50.6

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for opencast/opencast, polimediaupv/paella-player, org.opencastproject:opencast-engage-paella-player-7.
  2. 2Review the reported fix. Update opencast/opencast to 19.7; polimediaupv/paella-player to 2.12.11; org.opencastproject:opencast-engage-paella-player-7 to 19.7; org.opencastproject:opencast-engage-paella-player-7 to 20.2; org.opencastproject:opencast-engage-paella-player-7 to 19.7; org.opencastproject:opencast-engage-paella-player-7 to 20.2; paella-core to 1.50.6; paella-core to 1.50.6 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 17, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 17, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • GitHub security advisorygithub.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache Wicket: XSS via a resource bundle text written unescaped into generated JavaScript and markupAlso CWE-79
  • Ruijie RG-ES205GC Cloud Management set_cloud_serverUrl.cgi cross site scriptingAlso CWE-79
  • WordPress WordPress File Upload plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • Apache Wicket: XSS in AjaxNewWindowNotifyingBehavior via the client-supplied window nameAlso CWE-79
  • Apache Wicket: XSS in SmartLinkLabel and SmartLinkMultiLineLabel via a javascript: URL in the model dataAlso CWE-79
  • Apache Wicket: XSS in ExternalLink via the model URL when the component is bound to a non-anchor tagAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Nov 2, 2026
References
12 linked sources
Open source record