CVE-2025-63888: The read function in file thinkphp\library\think\template\driver\File.php in ThinkPHP 5.0.24 contains a remote

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-63888 is a critical-severity flaw (CVSS 9.8) affecting thinkphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The read function in file thinkphp\library\think\template\driver\File.php in ThinkPHP 5.0.24 contains a remote code execution vulnerability.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-98
Published	2025-11-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: thinkphp

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-20 18:15 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

thinkphp thinkphp DOWNGRADE

Affected: 5.0.24

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.24

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0.24 (Debian / Ubuntu)

apt-cache madison thinkphp sudo apt install thinkphp=<VERSION_BEFORE_5.0.24> sudo apt-mark hold thinkphp

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list thinkphp sudo dnf downgrade thinkphp-<VERSION_BEFORE_5.0.24> sudo dnf versionlock add thinkphp

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-63888?

thinkphp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-63888 being exploited?

CVE-2025-63888 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-2025-63888 affect?

CVE-2025-63888 affects thinkphp. Severity is critical (CVSS 9.8). The read function in file thinkphp\library\think\template\driver\File.php in ThinkPHP 5.0.24 contains a remote code execution vulnerability.

How urgent is CVE-2025-63888?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

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References

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