CVE-2026-102427: Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 - site

Q: How urgent is CVE-2026-102427?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2026-102427 is a critical-severity flaw (CVSS 10.0) affecting joomla cck. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 - site/uploader.php is reached through the component’s normal frontend routing (task=getContent), a task with no authentication or ACL check anywhere in the dispatch chain. The handler validates the uploaded file’s content with a real magic-byte MIME check, but the extension allow-list that would otherwise restrict the saved file’s extension wa

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-09-30
Last modified	2026-10-01

Publisher (CNA): Joomla! Project · Vendor: ordasoft

Last updated 2026-10-01 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-30 16:17 UTCPublished CVE record published
2026-10-01 13:46 UTCUpdated Record last modified

ordasoft joomla cck UPGRADE

Affected: >= 1.0.0 and < 8.3.16

Fixed in: 8.3.16

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy joomla-cck || rpm -q joomla-cck || joomla-cck --version

2. UPGRADE to 8.3.16 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade joomla-cck

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade joomla-cck

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison joomla-cck sudo apt install joomla-cck=<VERSION_BEFORE_1.0.0> sudo apt-mark hold joomla-cck

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list joomla-cck sudo dnf downgrade joomla-cck-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add joomla-cck

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.

Exact fixes by distribution

Fedora ELN · edk2 · FIXED · 20260812-12.eln159 · FEDORA-2026-e316b6370a · source

sudo dnf upgrade --advisory=FEDORA-2026-e316b6370a

Fedora 46 · perl-Mojo-DOM58 · FIXED · 3.003-1.fc46 · FEDORA-2026-d5412af3de · source

sudo dnf upgrade --advisory=FEDORA-2026-d5412af3de

Public exploits and detection

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

GitHub PoC: murrez/CVE-2026-102427 (1 stars)

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-2026-102427?

joomla cck: upgrade to 8.3.16. Exact commands for each OS are on this page.

Is CVE-2026-102427 being exploited?

CVE-2026-102427 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-2026-102427 affect?

CVE-2026-102427 affects joomla cck. Severity is critical (CVSS 10.0). Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 - site/uploader.php is reached through the component’s normal frontend routing (task=getContent), a task with no authentication or ACL c

How urgent is CVE-2026-102427?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2026-102428 CRITICAL 9.8 UPGRADE Joomla Extension - ordasoft.com - Unauthenticated SQL injection in OrdaSoft Joomla CCK < 8.3.16 - The order co

References

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