CVE-2018-19414: Multiple cross-site scripting (XSS) vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to inject arbit

This month

MEDIUM 6.1DOWNGRADE

CVE-2018-19414 is a medium-severity flaw (CVSS 6.1) affecting plikli cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to inject arbitrary web script or HTML via the (1) keyword parameter to groups.php; (2) username parameter to login.php; or (3) date parameter to search.php.

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	2.2% (top 17%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-01-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: plikli

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

Am I affected?

Timeline

2019-01-03 19:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

plikli plikli cms DOWNGRADE

Affected: 4.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy plikli-cms || rpm -q plikli-cms || plikli-cms --version

2. No fixed release: DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison plikli-cms sudo apt install plikli-cms=<VERSION_BEFORE_4.0.0> sudo apt-mark hold plikli-cms

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

dnf --showduplicates list plikli-cms sudo dnf downgrade plikli-cms-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add plikli-cms

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-2018-19414?

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

Is CVE-2018-19414 being exploited?

CVE-2018-19414 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-2018-19414 affect?

CVE-2018-19414 affects plikli cms. Severity is medium (CVSS 6.1). Multiple cross-site scripting (XSS) vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to inject arbitrary web script or HTML via the (1) keyword parameter to groups.php; (2) username parameter to login.php; or (3) date parameter to

How urgent is CVE-2018-19414?

Priority 47/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-19415 CRITICAL 9.8 DOWNGRADE Multiple SQL injection vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to execute arbitrary SQL com

References

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