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

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-19415 is a critical-severity flaw (CVSS 9.8) affecting plikli cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to join_group.php or (2) comment_id parameter to story.php.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-89
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-2018-19415?

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

Is CVE-2018-19415 being exploited?

CVE-2018-19415 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-2018-19415 affect?

CVE-2018-19415 affects plikli cms. Severity is critical (CVSS 9.8). Multiple SQL injection vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to join_group.php or (2) comment_id parameter to story.php.

How urgent is CVE-2018-19415?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2018-19414 MEDIUM 6.1 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Plikli CMS 4.0.0 allow remote attackers to inject arbit

References

← Back to latest CVEs