CVE-2026-77615 — Paella Player is a set of libraries to create a multi stream video player.¶
Key facts
CVE-2026-77615 is a High (8.7) vulnerability: Paella Player is a set of libraries to create a multi stream video player.. This entry ships a detection-only PoC and a Docker test lab.
| CVE | CVE-2026-77615 |
| Severity | High (8.7) |
| Detection / prevention | — |
| PoC | poc.py |
| Source | 2026/CVE-2026-77615/ |
Details¶
English | 한국어
Description¶
Paella Player is a set of libraries to create a multi stream video player. Prior to Paulla 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.
Vulnerability Details¶
| Property | Value |
|---|---|
| CVE ID | CVE-2026-77615 |
| Type | XSS |
| CVSS Score | 8.7 |
Proof of Concept¶
Download¶
# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-77615/poc.py
Usage¶
# Run PoC against target
python3 poc.py --target <TARGET_URL>
# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>
⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.
Test Lab¶
This repository includes a Docker-based test environment with both vulnerable and patched applications.
Quick Start¶
# Clone and navigate to CVE directory
cd CVE-2026-77615
# Start both applications
docker-compose up -d
# Run tests
./run-tests.sh # Linux/Mac
./run-tests.ps1 # Windows PowerShell
Application Endpoints¶
| Application | URL | Status |
|---|---|---|
| Vulnerable App | http://localhost:8080 | Shows vulnerability |
| Patched App | http://localhost:8081 | Demonstrates fix |
Directory Structure¶
├── README.md # English documentation
├── README_KO.md # Korean documentation
├── poc.py # PoC detection script
├── docker-compose.yml # Container orchestration
├── run-tests.sh # Linux/Mac test runner
├── run-tests.ps1 # Windows test runner
├── vulnerable-app/ # Vulnerable version
│ ├── app.py
│ ├── Dockerfile
│ └── requirements.txt
└── patched-app/ # Fixed version
├── app.py
├── Dockerfile
└── requirements.txt
References¶
- https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40
- https://github.com/opencast/opencast/pull/7736
- https://github.com/opencast/opencast/releases/tag/19.7
- https://github.com/opencast/opencast/releases/tag/20.2
- https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25
- https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206b
- https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4
- https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.md?plain=1#L21
- https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03
Generated by PoC Generator on 2026-09-18T08:59:49.122698848
Frequently asked questions¶
What is CVE-2026-77615?¶
CVE-2026-77615 is a High (8.7) vulnerability: Paella Player is a set of libraries to create a multi stream video player.. This entry ships a detection-only PoC and a Docker test lab.
How do I detect CVE-2026-77615?¶
Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.
How do I block or mitigate CVE-2026-77615?¶
Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.
For authorized security testing and research only. See the full source and NVD record.