CVE-2020-16140: The search functionality of the Greenmart theme 2.4.2 for WordPress is vulnerable to XSS.

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MEDIUM 6.1DOWNGRADE

CVE-2020-16140 is a medium-severity flaw (CVSS 6.1) affecting greenmart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The search functionality of the Greenmart theme 2.4.2 for WordPress is vulnerable to XSS.

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	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-10-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: thembay

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

Am I affected?

Timeline

2020-10-27 22:15 UTCPublished CVE record published
2026-06-17 02:57 UTCUpdated Record last modified

thembay greenmart DOWNGRADE

Affected: 2.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.4.2 (Debian / Ubuntu)

apt-cache madison greenmart sudo apt install greenmart=<VERSION_BEFORE_2.4.2> sudo apt-mark hold greenmart

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

dnf --showduplicates list greenmart sudo dnf downgrade greenmart-<VERSION_BEFORE_2.4.2> sudo dnf versionlock add greenmart

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-2020-16140?

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

Is CVE-2020-16140 being exploited?

CVE-2020-16140 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-2020-16140 affect?

CVE-2020-16140 affects greenmart. Severity is medium (CVSS 6.1). The search functionality of the Greenmart theme 2.4.2 for WordPress is vulnerable to XSS.

How urgent is CVE-2020-16140?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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