CVE-2018-19042: The Media File Manager plugin 1.4.2 for WordPress allows arbitrary file movement via a ../ directory traversal

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2018-19042 is a medium-severity flaw (CVSS 5.3) affecting media file manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Media File Manager plugin 1.4.2 for WordPress allows arbitrary file movement via a ../ directory traversal in the dir_from and dir_to parameters of an mrelocator_move action to the wp-admin/admin-ajax.php URI.

Why this priority

EPSS top 4%: very likely to be exploited
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	10.0% (top 4%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-01-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: media file manager project

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

Am I affected?

Timeline

2019-01-31 19:29 UTCPublished CVE record published
2026-06-17 01:48 UTCUpdated Record last modified

media file manager project media file manager DOWNGRADE

Affected: 1.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.2

1. Check installed version

apt-cache policy media-file-manager || rpm -q media-file-manager || media-file-manager --version

2. No fixed release: DOWNGRADE to a release before 1.4.2 (Debian / Ubuntu)

apt-cache madison media-file-manager sudo apt install media-file-manager=<VERSION_BEFORE_1.4.2> sudo apt-mark hold media-file-manager

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

dnf --showduplicates list media-file-manager sudo dnf downgrade media-file-manager-<VERSION_BEFORE_1.4.2> sudo dnf versionlock add media-file-manager

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin Media File Manager 1.4.2 - Directory Traversal / Cross-Site Scripting

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-2018-19042?

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

Is CVE-2018-19042 being exploited?

CVE-2018-19042 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-2018-19042 affect?

CVE-2018-19042 affects media file manager. Severity is medium (CVSS 5.3). The Media File Manager plugin 1.4.2 for WordPress allows arbitrary file movement via a ../ directory traversal in the dir_from and dir_to parameters of an mrelocator_move action to the wp-admin/admin-ajax.php URI.

How urgent is CVE-2018-19042?

Priority 52/100. EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2018-19043 MEDIUM 5.3 DOWNGRADE The Media File Manager plugin 1.4.2 for WordPress allows arbitrary file renaming (specifying a "from" and "to"
CVE-2018-19041 MEDIUM 6.1 DOWNGRADE The Media File Manager plugin 1.4.2 for WordPress allows XSS via the dir parameter of an mrelocator_getdir act
CVE-2018-19040 MEDIUM 5.3 DOWNGRADE The Media File Manager plugin 1.4.2 for WordPress allows directory listing via a ../ directory traversal in th

References

← Back to latest CVEs