CVE-2026-57829: Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Helix Ultimate < 2.2.7 - The Joomla extensio

Q: How urgent is CVE-2026-57829?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-57829 is a medium-severity flaw (CVSS 6.1) affecting helix ultimate. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Helix Ultimate < 2.2.7 - The Joomla extension Helix Ultimate is vulnerable to an unauthenticated stored XSS.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-07-13
Last modified	2026-10-24

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

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-13 08:16 UTCPublished CVE record published
2026-10-24 22:10 UTCUpdated Record last modified

ollyo helix ultimate UPGRADE

Affected: >= 1.0 and <= 2.2.6

Fixed in: newer than 2.2.6

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy helix-ultimate || rpm -q helix-ultimate || helix-ultimate --version

2. UPGRADE to newer than 2.2.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade helix-ultimate

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade helix-ultimate

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 (Debian / Ubuntu)

apt-cache madison helix-ultimate sudo apt install helix-ultimate=<VERSION_BEFORE_1.0> sudo apt-mark hold helix-ultimate

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

dnf --showduplicates list helix-ultimate sudo dnf downgrade helix-ultimate-<VERSION_BEFORE_1.0> sudo dnf versionlock add helix-ultimate

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-2026-57829?

helix ultimate: upgrade to newer than 2.2.6. Exact commands for each OS are on this page.

Is CVE-2026-57829 being exploited?

CVE-2026-57829 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-2026-57829 affect?

CVE-2026-57829 affects helix ultimate. Severity is medium (CVSS 6.1). Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Helix Ultimate < 2.2.7 - The Joomla extension Helix Ultimate is vulnerable to an unauthenticated stored XSS.

How urgent is CVE-2026-57829?

Priority 25/100. No elevated risk signals yet.

Software pages

Joomla vulnerabilities

Related CVEs

CVE-2026-57830 CRITICAL 9.1 UPGRADE Joomla Extension - joomshaper.com - Unauthenticated arbitrary file deletion in Helix Ultimate < 2.2.7 - The Jo

References

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