CVE-2019-20141: An XSS issue was discovered in the Laborator Neon theme 2.0 for WordPress via the data/autosuggest-remote.php

This month

MEDIUM 6.1DOWNGRADE

CVE-2019-20141 is a medium-severity flaw (CVSS 6.1) affecting neon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS issue was discovered in the Laborator Neon theme 2.0 for WordPress via the data/autosuggest-remote.php q parameter.

Why this priority

EPSS top 8%: very likely to be exploited
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	5.0% (top 8%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-12-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: laborator

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

Am I affected?

Timeline

2019-12-30 18:15 UTCPublished CVE record published
2026-06-17 02:29 UTCUpdated Record last modified

laborator neon 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 neon || rpm -q neon || neon --version

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

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

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

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

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: WordPress Laborator Neon Theme 2.0 - Cross-Site Scripting

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-2019-20141?

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

Is CVE-2019-20141 being exploited?

CVE-2019-20141 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-2019-20141 affect?

CVE-2019-20141 affects neon. Severity is medium (CVSS 6.1). An XSS issue was discovered in the Laborator Neon theme 2.0 for WordPress via the data/autosuggest-remote.php q parameter.

How urgent is CVE-2019-20141?

Priority 49/100. EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

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References

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