CVE-2026-97165: Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “r

Q: How do I fix CVE-2026-97165?

event gallery: upgrade to 6.5.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-97165 being exploited?

CVE-2026-97165 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-97165 affect?

CVE-2026-97165 affects event gallery. Severity is medium (CVSS 6.1). Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.

Q: How urgent is CVE-2026-97165?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-97165 is a medium-severity flaw (CVSS 6.1) affecting event gallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.

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	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-79, CWE-601
Published	2026-09-27
Last modified	2026-10-27

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

Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-27 12:17 UTCPublished CVE record published
2026-10-27 14:37 UTCUpdated Record last modified

svenbluege event gallery UPGRADE

Affected: < 6.5.0

Fixed in: 6.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy event-gallery || rpm -q event-gallery || event-gallery --version

2. UPGRADE to 6.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade event-gallery

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade event-gallery

Note

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

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-2026-97165?

event gallery: upgrade to 6.5.0. Exact commands for each OS are on this page.

Is CVE-2026-97165 being exploited?

CVE-2026-97165 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-2026-97165 affect?

CVE-2026-97165 affects event gallery. Severity is medium (CVSS 6.1). Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.

How urgent is CVE-2026-97165?

Priority 25/100. No elevated risk signals yet.

Software pages

Joomla vulnerabilities

Related CVEs

CVE-2026-100749 MEDIUM 4.3 UPGRADE Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only o
CVE-2026-97164 HIGH 8.1 UPGRADE Joomla Extension - svenbluege.de - Authenticated arbitrary path deletion in `clear cache` task in Event Galler
CVE-2026-102776 MEDIUM 4.3 UPGRADE Joomla Extension - svenbluege.de - Cross-site request forgery of list tasks of the backend in Event Gallery ex
CVE-2026-102778 MEDIUM 6.1 UPGRADE Joomla Extension - svenbluege.de - Cross-site scripting and open redirect on the share mini page in Event Gall
CVE-2026-102777 MEDIUM 6.5 UPGRADE Joomla Extension - svenbluege.de - Server-side request forgery in the Google Photos picker in Event Gallery ex

References

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