CVE-2018-5972: SQL Injection exists in Classified Ads CMS Quickad 4.0 via the keywords, placeid, cat, or subcat parameter to

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-5972 is a critical-severity flaw (CVSS 9.8) affecting quickad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL Injection exists in Classified Ads CMS Quickad 4.0 via the keywords, placeid, cat, or subcat parameter to the listing URI.

Why this priority

Critical severity
EPSS top 3%: very likely to be exploited
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	19.1% (top 3%)
CISA exploited list	No
Weakness	CWE-89
Published	2018-01-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: quickad project

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

Am I affected?

Timeline

2018-01-24 10:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

quickad project quickad DOWNGRADE

Affected: 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison quickad sudo apt install quickad=<VERSION_BEFORE_4.0> sudo apt-mark hold quickad

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

dnf --showduplicates list quickad sudo dnf downgrade quickad-<VERSION_BEFORE_4.0> sudo dnf versionlock add quickad

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.

Exploit-DB: Quickad 4.0 - SQL Injection

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-2018-5972?

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

Is CVE-2018-5972 being exploited?

CVE-2018-5972 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-2018-5972 affect?

CVE-2018-5972 affects quickad. Severity is critical (CVSS 9.8). SQL Injection exists in Classified Ads CMS Quickad 4.0 via the keywords, placeid, cat, or subcat parameter to the listing URI.

How urgent is CVE-2018-5972?

Priority 69/100. Critical severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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