CVE-2025-62524: pilos Information Disclosure — Fix

Description

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-200 CWE-200

CWE-497 CWE-497

Affected Products

Vendor	Product	Versions
thm	pilos	< 4.8.0

References

Advisories & Patches

https://github.com/THM-Health/PILOS/commit/14655bc4f8128ffd2b3c25004b01d9a802808da8 https://github.com/THM-Health/PILOS/security/advisories/GHSA-q93h-5j6h-j22x

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-62524? +

CVE-2025-62524 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-62524? +

CVE-2025-62524 affects products from thm, specifically: pilos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-62524? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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