CVE-2025-62524: PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton

Q: How do I fix CVE-2025-62524?

pilos: upgrade to 4.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-62524 being exploited?

CVE-2025-62524 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-62524 affect?

CVE-2025-62524 affects pilos. Severity is medium (CVSS 5.3). 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

Q: How urgent is CVE-2025-62524?

Priority 28/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-62524 is a medium-severity flaw (CVSS 5.3) affecting pilos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 avail

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-200, CWE-497
Published	2025-10-27
Last modified	2026-10-08

Publisher (CNA): GitHub, Inc. · Vendor: thm

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-27 21:15 UTCPublished CVE record published
2026-10-08 11:10 UTCUpdated Record last modified

thm pilos UPGRADE

Affected: < 4.8.0

Fixed in: 4.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pilos || rpm -q pilos || pilos --version

2. UPGRADE to 4.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pilos

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pilos

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-62524?

pilos: upgrade to 4.8.0. Exact commands for each OS are on this page.

Is CVE-2025-62524 being exploited?

CVE-2025-62524 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-62524 affect?

CVE-2025-62524 affects pilos. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2025-62524?

Priority 28/100. Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-62523 MEDIUM 6.3 UPGRADE PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton
CVE-2025-62781 MEDIUM 5.0 UPGRADE PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton
CVE-2026-22800 LOW 2.4 UPGRADE PILOS (Platform for Interactive Live-Online Seminars) is a frontend for BigBlueButton

References

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