Vulnerability Description
Opencast is a free, open-source platform to support the management of educational audio and video content. Prior to Opencast 17.8 and 18.2, the paella would include and render some user inputs (metadata like title, description, etc.) unfiltered and unmodified. The vulnerability allows attackers to inject and malicious HTML and JavaScript in the player, which would then be executed in the browsers of users watching the prepared media. This can then be used to modify the site or to execute actions in the name of logged-in users. To inject malicious metadata, an attacker needs write access to the system. For example, the ability to upload media and modify metadata. This cannot be exploited by unauthenticated users. This issue is fixed in Opencast 17.8 and 18.2.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apereo | Opencast | < 17.8 |
Related Weaknesses (CWE)
References
- https://github.com/opencast/opencast/commit/2809520fa88d108d8104c760f00c10bad42cPatch
- https://github.com/opencast/opencast/security/advisories/GHSA-m2vg-rmq6-p62rVendor Advisory
FAQ
What is CVE-2025-61788?
CVE-2025-61788 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Opencast is a free, open-source platform to support the management of educational audio and video content. Prior to Opencast 17.8 and 18.2, the paella would include and render some user inputs (metada...
How severe is CVE-2025-61788?
CVE-2025-61788 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-61788?
Check the references section above for vendor advisories and patch information. Affected products include: Apereo Opencast.