CVE-2017-20090: A vulnerability was found in Global Content Blocks Plugin 2.1.5

Routine

MEDIUM 4.3DOWNGRADE

CVE-2017-20090 is a medium-severity flaw (CVSS 4.3) affecting global content blocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Global Content Blocks Plugin 2.1.5. It has been declared as problematic. This vulnerability affects unknown code. The manipulation leads to cross-site request forgery. The attack can be initiated remotely.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-352
Published	2022-06-23
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: global content blocks project

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

Am I affected?

Timeline

2022-06-23 05:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

global content blocks project global content blocks DOWNGRADE

Affected: 2.1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.5

1. Check installed version

apt-cache policy global-content-blocks || rpm -q global-content-blocks || global-content-blocks --version

2. No fixed release: DOWNGRADE to a release before 2.1.5 (Debian / Ubuntu)

apt-cache madison global-content-blocks sudo apt install global-content-blocks=<VERSION_BEFORE_2.1.5> sudo apt-mark hold global-content-blocks

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

dnf --showduplicates list global-content-blocks sudo dnf downgrade global-content-blocks-<VERSION_BEFORE_2.1.5> sudo dnf versionlock add global-content-blocks

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-2017-20090?

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

Is CVE-2017-20090 being exploited?

CVE-2017-20090 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-2017-20090 affect?

CVE-2017-20090 affects global content blocks. Severity is medium (CVSS 4.3). A vulnerability was found in Global Content Blocks Plugin 2.1.5. It has been declared as problematic. This vulnerability affects unknown code. The manipulation leads to cross-site request forgery. The attack can be initiated remotely.

How urgent is CVE-2017-20090?

Priority 32/100. Public exploit reference

References

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