CVE-2018-16549: HScripts PHP File Browser Script v1.0 allows Directory Traversal via the index.php path parameter.

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2018-16549 is a medium-severity flaw (CVSS 5.3) affecting php file browser script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

HScripts PHP File Browser Script v1.0 allows Directory Traversal via the index.php path parameter.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-09-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: php file browser script project

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

Am I affected?

Timeline

2018-09-05 21:29 UTCPublished CVE record published
2026-06-17 01:44 UTCUpdated Record last modified

php file browser script project php file browser script DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy php-file-browser-script || rpm -q php-file-browser-script || php-file-browser-script --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison php-file-browser-script sudo apt install php-file-browser-script=<VERSION_BEFORE_1.0> sudo apt-mark hold php-file-browser-script

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

dnf --showduplicates list php-file-browser-script sudo dnf downgrade php-file-browser-script-<VERSION_BEFORE_1.0> sudo dnf versionlock add php-file-browser-script

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-2018-16549?

php file browser script: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-16549 being exploited?

CVE-2018-16549 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-2018-16549 affect?

CVE-2018-16549 affects php file browser script. Severity is medium (CVSS 5.3). HScripts PHP File Browser Script v1.0 allows Directory Traversal via the index.php path parameter.

How urgent is CVE-2018-16549?

Priority 50/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

← Back to latest CVEs