CVE-2015-7875: ctools 6.x-1.x before 6.x-1.14 and 7.x-1.x before 7.x-1.8 in Drupal does not verify the "edit" permission for

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HIGH 7.5REMOTEDOWNGRADE

CVE-2015-7875 is a high-severity flaw (CVSS 7.5) affecting ctools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ctools 6.x-1.x before 6.x-1.14 and 7.x-1.x before 7.x-1.8 in Drupal does not verify the "edit" permission for the "content type" plugins that are used on Panels and similar systems to place content and functionality on a page.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-264
Published	2017-08-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: chaos tool suite project

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

Am I affected?

Timeline

2017-08-07 17:29 UTCPublished CVE record published
2026-06-17 00:33 UTCUpdated Record last modified

chaos tool suite project ctools DOWNGRADE

Affected: 6.x-1.0 · 6.x-1.0 alpha1 · 6.x-1.0 alpha2 · 6.x-1.0 alpha3 · 6.x-1.0 beta1 · 6.x-1.0 beta2 · 6.x-1.0 beta3 · 6.x-1.0 beta4

Fixed in: no fixed release known

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

1. Check installed version

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

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

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

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

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

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-2015-7875?

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

Is CVE-2015-7875 being exploited?

CVE-2015-7875 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-2015-7875 affect?

CVE-2015-7875 affects ctools. Severity is high (CVSS 7.5). ctools 6.x-1.x before 6.x-1.14 and 7.x-1.x before 7.x-1.8 in Drupal does not verify the "edit" permission for the "content type" plugins that are used on Panels and similar systems to place content and functionality on a page.

How urgent is CVE-2015-7875?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2015-6665 MEDIUM 4.3 MITIGATE DOWNGRADE Cross-site scripting (XSS) vulnerability in the Ajax handler in Drupal 7.x before 7.39 and the Ctools module 6
CVE-2015-4398 MEDIUM 5.8 UPGRADE Open redirect vulnerability in the Chaos tool suite (ctools) module before 6.x-1.12 and 7.x-1.x before 7.x-1.7
CVE-2015-4375 MEDIUM 4.3 DOWNGRADE The Chaos tool suite (ctools) module 7.x-1.x before 7.x-1.7 for Drupal allows remote attackers to obtain sensi
CVE-2013-1925 LOW 3.5 DOWNGRADE The Chaos Tool Suite (ctools) module 7.x-1.x before 7.x-1.3 for Drupal does not properly restrict node access,
CVE-2012-5559 LOW 2.6 DOWNGRADE Cross-site scripting (XSS) vulnerability in the page manager node view task in the Chaos tool suite (ctools) m

References

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