CVE-2026-77615
Paella Player: Stored XSS via caption cue text
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.
INFO
Published Date :
Sept. 17, 2026, 9:17 p.m.
Last Modified :
Sept. 17, 2026, 9:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-77615
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Paella Player to version 2.12.11.
- Apply updates for Opencast versions 19.7 and 20.2.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-77615.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-77615 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-77615
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-77615 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-77615 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Sep. 17, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N Added CWE CWE-79 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/77xxx/CVE-2026-77615.json">CVE-2026-77615</a> Added Reference https://github.com/opencast/opencast/commit/701682c635f668228c3e8fb7b4564b3294788e40 Added Reference https://github.com/opencast/opencast/pull/7736 Added Reference https://github.com/opencast/opencast/releases/tag/19.7 Added Reference https://github.com/opencast/opencast/releases/tag/20.2 Added Reference https://github.com/opencast/opencast/security/advisories/GHSA-m6c8-jcw2-5r25 Added Reference https://github.com/polimediaupv/paella-core/commit/94a36490808ac5a1f60a0745d71ec9253f6d206b Added Reference https://github.com/polimediaupv/paella-core/commit/9b2f14ec4cf55efaf4c045c77a5ed8f5ec559ab4 Added Reference https://github.com/polimediaupv/paella-player/blob/a1b6c42467938a00a4b4d0b8c68435cd4f9d2a16/repos/paella-core/CHANGELOG.md?plain=1#L21 Added Reference https://github.com/polimediaupv/paella-player/commit/6fe4af7306044198c8e91e2e7f4128428b83cf03