Information disclosure in Thm Pilos
CVE-2025-62524
PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton. PILOS before 4.8.0 exposes the PHP version via the X-Powered-By header, enabling attackers to fingerprint the server and assess potential exploits. This information disclosure vulnerability originates from PHP’s base image. Additionally, the PHP version can also be inferred through the PILOS version displayed in the footer and by examining the source code available on GitHub. This information disclosure vulnerability has been patched in PILOS in v4.8.0.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Thm Pilos
- Thm-Health Pilos — versions < 4.8.0
Weakness classification (CWE)
References
- github.com/THM-Health/PILOS/security/advisories/GHSA-q93h-5j6h-j22x (Mitigation, Vendor Advisory)
- github.com/THM-Health/PILOS/commit/14655bc4f8128ffd2b3c25004b01d9a802808da8 (Patch)
Frequently asked questions
- What is CVE-2025-62524?
- CVE-2025-62524 is a medium-severity vulnerability in Thm Pilos, classified under Information Disclosure. CVSS score: 5.3/10. Published 2025-10-27.
- How severe is CVE-2025-62524?
- Medium severity. CVSS v3 base score is 5.3 out of 10.