CVE-2017-1002009: Vulnerability in wordpress plugin Membership Simplified v1.58, The code in membership-simplified-for-oap-membe

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-1002009 is a critical-severity flaw (CVSS 9.8) affecting membership simplified. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in wordpress plugin Membership Simplified v1.58, The code in membership-simplified-for-oap-members-only/updateDB.php is vulnerable to blind SQL injection because it doesn't sanitize user input via recordId in the delete function.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-09-14
Last modified	2026-06-17

Publisher (CNA): Larry Cashdollar · Vendor: ontraport

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

Am I affected?

Timeline

2017-09-14 13:29 UTCPublished CVE record published
2026-06-17 00:59 UTCUpdated Record last modified

ontraport membership simplified DOWNGRADE

Affected: 1.58

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.58

1. Check installed version

apt-cache policy membership-simplified || rpm -q membership-simplified || membership-simplified --version

2. No fixed release: DOWNGRADE to a release before 1.58 (Debian / Ubuntu)

apt-cache madison membership-simplified sudo apt install membership-simplified=<VERSION_BEFORE_1.58> sudo apt-mark hold membership-simplified

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

dnf --showduplicates list membership-simplified sudo dnf downgrade membership-simplified-<VERSION_BEFORE_1.58> sudo dnf versionlock add membership-simplified

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-2017-1002009?

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

Is CVE-2017-1002009 being exploited?

CVE-2017-1002009 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-2017-1002009 affect?

CVE-2017-1002009 affects membership simplified. Severity is critical (CVSS 9.8). Vulnerability in wordpress plugin Membership Simplified v1.58, The code in membership-simplified-for-oap-members-only/updateDB.php is vulnerable to blind SQL injection because it doesn't sanitize user input via recordId in the delete functi

How urgent is CVE-2017-1002009?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2017-1002010 CRITICAL 9.8 DOWNGRADE Vulnerability in wordpress plugin Membership Simplified v1.58, The code in membership-simplified-for-oap-membe
CVE-2017-1002008 CRITICAL 9.8 DOWNGRADE Vulnerability in wordpress plugin membership-simplified-for-oap-members-only v1.58, The file download code loc

References

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