CVE-2017-18613: The trust-form plugin 2.0 for WordPress has XSS via the wp-admin/admin.php?page=trust-form-edit page parameter

This month

MEDIUM 6.1DOWNGRADE

CVE-2017-18613 is a medium-severity flaw (CVSS 6.1) affecting trust form. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The trust-form plugin 2.0 for WordPress has XSS via the wp-admin/admin.php?page=trust-form-edit page parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-09-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: trust form project

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

Am I affected?

Timeline

2019-09-13 12:15 UTCPublished CVE record published
2026-06-17 01:13 UTCUpdated Record last modified

trust form project trust form DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy trust-form || rpm -q trust-form || trust-form --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison trust-form sudo apt install trust-form=<VERSION_BEFORE_2.0> sudo apt-mark hold trust-form

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

dnf --showduplicates list trust-form sudo dnf downgrade trust-form-<VERSION_BEFORE_2.0> sudo dnf versionlock add trust-form

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-2017-18613?

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

Is CVE-2017-18613 being exploited?

CVE-2017-18613 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-2017-18613 affect?

CVE-2017-18613 affects trust form. Severity is medium (CVSS 6.1). The trust-form plugin 2.0 for WordPress has XSS via the wp-admin/admin.php?page=trust-form-edit page parameter.

How urgent is CVE-2017-18613?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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