CVE-2015-3344: Cross-site scripting (XSS) vulnerability in the Course module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.

Routine

LOW 3.5DOWNGRADE

CVE-2015-3344 is a low-severity flaw (CVSS 3.5) affecting course. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the Course module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.4 for Drupal allows remote authenticated users to inject arbitrary web script or HTML via a node title.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	3.5 (Low)
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-04-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dlc solutions

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

Am I affected?

Timeline

2015-04-21 16:59 UTCPublished CVE record published
2026-06-17 00:25 UTCUpdated Record last modified

dlc solutions course DOWNGRADE

Affected: 6.x-1.0-alpha1 · 6.x-1.0-rc1 · 6.x-1.0-rc2 · 6.x-1.0-rc3 · 6.x-1.0-rc4 · 6.x-1.0-rc5 · 6.x-1.0-rc6 · 6.x-1.0-rc7

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.x-1.0-alpha1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.x-1.0-alpha1 (Debian / Ubuntu)

apt-cache madison course sudo apt install course=<VERSION_BEFORE_6.x-1.0-alpha1> sudo apt-mark hold course

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

dnf --showduplicates list course sudo dnf downgrade course-<VERSION_BEFORE_6.x-1.0-alpha1> sudo dnf versionlock add course

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-2015-3344?

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

Is CVE-2015-3344 being exploited?

CVE-2015-3344 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-2015-3344 affect?

CVE-2015-3344 affects course. Severity is low (CVSS 3.5). Cross-site scripting (XSS) vulnerability in the Course module 6.x-1.x before 6.x-1.2 and 7.x-1.x before 7.x-1.4 for Drupal allows remote authenticated users to inject arbitrary web script or HTML via a node title.

How urgent is CVE-2015-3344?

Priority 28/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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