CVE-2017-17870: The JBuildozer extension 1.4.1 for Joomla! has SQL Injection via the appid parameter in an entriessearch actio

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-17870 is a critical-severity flaw (CVSS 9.8) affecting jbuildozer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The JBuildozer extension 1.4.1 for Joomla! has SQL Injection via the appid parameter in an entriessearch action.

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	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-12-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jbuildozer

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

Am I affected?

Timeline

2017-12-27 17:08 UTCPublished CVE record published
2026-06-17 01:11 UTCUpdated Record last modified

jbuildozer jbuildozer DOWNGRADE

Affected: 1.4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.1 (Debian / Ubuntu)

apt-cache madison jbuildozer sudo apt install jbuildozer=<VERSION_BEFORE_1.4.1> sudo apt-mark hold jbuildozer

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

dnf --showduplicates list jbuildozer sudo dnf downgrade jbuildozer-<VERSION_BEFORE_1.4.1> sudo dnf versionlock add jbuildozer

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: Joomla! Component JBuildozer 1.4.1 - 'appid' 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-2017-17870?

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

Is CVE-2017-17870 being exploited?

CVE-2017-17870 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-2017-17870 affect?

CVE-2017-17870 affects jbuildozer. Severity is critical (CVSS 9.8). The JBuildozer extension 1.4.1 for Joomla! has SQL Injection via the appid parameter in an entriessearch action.

How urgent is CVE-2017-17870?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities

References

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