CVE-2018-25002: uploader.php in the KCFinder integration project through 2018-06-01 for Drupal mishandles validation, aka SA-C

Q: How do I fix CVE-2018-25002?

kcfinder: upgrade to newer than 2018-06-01. Exact commands for each OS are on this page.

Q: Is CVE-2018-25002 being exploited?

CVE-2018-25002 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-2018-25002 affect?

CVE-2018-25002 affects kcfinder. Severity is high (CVSS 8.8). uploader.php in the KCFinder integration project through 2018-06-01 for Drupal mishandles validation, aka SA-CONTRIB-2018-024. NOTE: This project is not covered by Drupal's security advisory policy.

This month

HIGH 8.8UPGRADE

CVE-2018-25002 is a high-severity flaw (CVSS 8.8) affecting kcfinder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

uploader.php in the KCFinder integration project through 2018-06-01 for Drupal mishandles validation, aka SA-CONTRIB-2018-024. NOTE: This project is not covered by Drupal's security advisory policy.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-20
Published	2021-01-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sunhater

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

Am I affected?

Timeline

2021-01-01 01:15 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

sunhater kcfinder UPGRADE

Affected: <= 2018-06-01

Fixed in: newer than 2018-06-01

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2018-06-01 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kcfinder

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-2018-25002?

kcfinder: upgrade to newer than 2018-06-01. Exact commands for each OS are on this page.

Is CVE-2018-25002 being exploited?

CVE-2018-25002 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-2018-25002 affect?

CVE-2018-25002 affects kcfinder. Severity is high (CVSS 8.8). uploader.php in the KCFinder integration project through 2018-06-01 for Drupal mishandles validation, aka SA-CONTRIB-2018-024. NOTE: This project is not covered by Drupal's security advisory policy.

How urgent is CVE-2018-25002?

Priority 49/100. High severity

Software pages

Drupal vulnerabilities · PHP vulnerabilities

References

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