CVE-2017-1002021: Vulnerability in wordpress plugin surveys v1.01.8, The code in individual_responses.php does not sanitize the

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-1002021 is a critical-severity flaw (CVSS 9.8) affecting surveys. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in wordpress plugin surveys v1.01.8, The code in individual_responses.php does not sanitize the survey_id variable before placing it inside of an SQL query.

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	3.6% (top 10%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-09-14
Last modified	2026-06-17

Publisher (CNA): Larry Cashdollar · Vendor: surveys project

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

surveys project surveys DOWNGRADE

Affected: 1.01.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.01.8

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.01.8 (Debian / Ubuntu)

apt-cache madison surveys sudo apt install surveys=<VERSION_BEFORE_1.01.8> sudo apt-mark hold surveys

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

dnf --showduplicates list surveys sudo dnf downgrade surveys-<VERSION_BEFORE_1.01.8> sudo dnf versionlock add surveys

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-2017-1002021?

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

Is CVE-2017-1002021 being exploited?

CVE-2017-1002021 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-2017-1002021 affect?

CVE-2017-1002021 affects surveys. Severity is critical (CVSS 9.8). Vulnerability in wordpress plugin surveys v1.01.8, The code in individual_responses.php does not sanitize the survey_id variable before placing it inside of an SQL query.

How urgent is CVE-2017-1002021?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2017-1002022 CRITICAL 9.8 DOWNGRADE Vulnerability in wordpress plugin surveys v1.01.8, The code in questions.php does not sanitize the survey vari
CVE-2017-1002020 CRITICAL 9.8 DOWNGRADE Vulnerability in wordpress plugin surveys v1.01.8, The code in survey_form.php does not sanitize the action va

References

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