CVE-2018-1000507: WP User Groups version 2.0.0 contains a Cross ite Request Forgery (CSRF) vulnerability in Settings page that c

Routine

MEDIUM 6.5DOWNGRADE

CVE-2018-1000507 is a medium-severity flaw (CVSS 6.5) affecting wp user groups. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WP User Groups version 2.0.0 contains a Cross ite Request Forgery (CSRF) vulnerability in Settings page that can result in allows anybody to modify user groups and types. This attack appear to be exploitable via Admin must click on link. This vulnerability appears to have been fixed in 2.1.1.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-352
Published	2018-06-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jjj

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

Am I affected?

Timeline

2018-06-26 16:29 UTCPublished CVE record published
2026-06-17 01:32 UTCUpdated Record last modified

jjj wp user groups DOWNGRADE

Affected: 2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy wp-user-groups || rpm -q wp-user-groups || wp-user-groups --version

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison wp-user-groups sudo apt install wp-user-groups=<VERSION_BEFORE_2.0.0> sudo apt-mark hold wp-user-groups

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

dnf --showduplicates list wp-user-groups sudo dnf downgrade wp-user-groups-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add wp-user-groups

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-2018-1000507?

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

Is CVE-2018-1000507 being exploited?

CVE-2018-1000507 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-2018-1000507 affect?

CVE-2018-1000507 affects wp user groups. Severity is medium (CVSS 6.5). WP User Groups version 2.0.0 contains a Cross ite Request Forgery (CSRF) vulnerability in Settings page that can result in allows anybody to modify user groups and types. This attack appear to be exploitable via Admin must click on link. Th

How urgent is CVE-2018-1000507?

Priority 37/100. Public exploit reference

References

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