CVE-2015-5510: Open redirect vulnerability in the Content Construction Kit (CCK) 6.x-2.x before 6.x-2.10 for Drupal allows re

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MEDIUM 5.8DOWNGRADE

CVE-2015-5510 is a medium-severity flaw (CVSS 5.8) affecting content construction kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Open redirect vulnerability in the Content Construction Kit (CCK) 6.x-2.x before 6.x-2.10 for Drupal allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the destinations parameter, related to administration pages.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.8% (top 21%)
CISA exploited list	No
Published	2015-08-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: content construction kit project

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

Am I affected?

Timeline

2015-08-18 18:00 UTCPublished CVE record published
2026-06-17 00:29 UTCUpdated Record last modified

content construction kit project content construction kit DOWNGRADE

Affected: 6.x-2.0 · 6.x-2.1 · 6.x-2.2 · 6.x-2.3 · 6.x-2.4 · 6.x-2.5 · 6.x-2.6 · 6.x-2.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.x-2.0

1. Check installed version

apt-cache policy content-construction-kit || rpm -q content-construction-kit || content-construction-kit --version

2. No fixed release: DOWNGRADE to a release before 6.x-2.0 (Debian / Ubuntu)

apt-cache madison content-construction-kit sudo apt install content-construction-kit=<VERSION_BEFORE_6.x-2.0> sudo apt-mark hold content-construction-kit

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

dnf --showduplicates list content-construction-kit sudo dnf downgrade content-construction-kit-<VERSION_BEFORE_6.x-2.0> sudo dnf versionlock add content-construction-kit

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-2015-5510?

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

Is CVE-2015-5510 being exploited?

CVE-2015-5510 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-2015-5510 affect?

CVE-2015-5510 affects content construction kit. Severity is medium (CVSS 5.8). Open redirect vulnerability in the Content Construction Kit (CCK) 6.x-2.x before 6.x-2.10 for Drupal allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the destinations parameter, related to ad

How urgent is CVE-2015-5510?

Priority 40/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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