CVE-2015-4390: Multiple cross-site request forgery (CSRF) vulnerabilities in the User Import module 6.x-4.x before 6.x-4.4 an

Routine

MEDIUM 6.8DOWNGRADE

CVE-2015-4390 is a medium-severity flaw (CVSS 6.8) affecting user import. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site request forgery (CSRF) vulnerabilities in the User Import module 6.x-4.x before 6.x-4.4 and 7.x-2.x before 7.x-2.3 for Drupal allow remote attackers to hijack the authentication of administrators for requests that (1) continue or (2) delete an ongoing import via unspecified vectors.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-352
Published	2015-06-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: user import project

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

Am I affected?

Timeline

2015-06-15 14:59 UTCPublished CVE record published
2026-06-17 00:27 UTCUpdated Record last modified

user import project user import DOWNGRADE

Affected: 6.x-4.0 · 6.x-4.1 · 6.x-4.2 · 6.x-4.3 · 6.x-4.x dev

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.x-4.0

1. Check installed version

apt-cache policy user-import || rpm -q user-import || user-import --version

2. No fixed release: DOWNGRADE to a release before 6.x-4.0 (Debian / Ubuntu)

apt-cache madison user-import sudo apt install user-import=<VERSION_BEFORE_6.x-4.0> sudo apt-mark hold user-import

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

dnf --showduplicates list user-import sudo dnf downgrade user-import-<VERSION_BEFORE_6.x-4.0> sudo dnf versionlock add user-import

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-2015-4390?

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

Is CVE-2015-4390 being exploited?

CVE-2015-4390 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-2015-4390 affect?

CVE-2015-4390 affects user import. Severity is medium (CVSS 6.8). Multiple cross-site request forgery (CSRF) vulnerabilities in the User Import module 6.x-4.x before 6.x-4.4 and 7.x-2.x before 7.x-2.3 for Drupal allow remote attackers to hijack the authentication of administrators for requests that (1) co

How urgent is CVE-2015-4390?

Priority 37/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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