CVE-2017-16955: SQL injection vulnerability in the InLinks plugin through 1.1 for WordPress allows authenticated users to exec

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HIGH 8.8DOWNGRADE

CVE-2017-16955 is a high-severity flaw (CVSS 8.8) affecting inlinks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in the InLinks plugin through 1.1 for WordPress allows authenticated users to execute arbitrary SQL commands via the "keyword" parameter to /wp-admin/options-general.php?page=inlinks/inlinks.php.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-11-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: inlinks project

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

Am I affected?

Timeline

2017-11-27 10:29 UTCPublished CVE record published
2026-06-17 01:10 UTCUpdated Record last modified

inlinks project inlinks DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

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

apt-cache madison inlinks sudo apt install inlinks=<VERSION_BEFORE_1.0> sudo apt-mark hold inlinks

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

dnf --showduplicates list inlinks sudo dnf downgrade inlinks-<VERSION_BEFORE_1.0> sudo dnf versionlock add inlinks

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-2017-16955?

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

Is CVE-2017-16955 being exploited?

CVE-2017-16955 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-2017-16955 affect?

CVE-2017-16955 affects inlinks. Severity is high (CVSS 8.8). SQL injection vulnerability in the InLinks plugin through 1.1 for WordPress allows authenticated users to execute arbitrary SQL commands via the "keyword" parameter to /wp-admin/options-general.php?page=inlinks/inlinks.php.

How urgent is CVE-2017-16955?

Priority 51/100. High severity

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2015-4347 MEDIUM 4.3 MITIGATE Cross-site scripting (XSS) vulnerability in the inLinks Integration module for Drupal allows remote attackers

References

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