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CVE-2026-60034CriticalCVSS 9.4CVE published 20 July 2026Added to mySites.guru 20 July 2026

JMedia (com_jmedia) <= 1.5.4 - Authenticated Arbitrary File Upload (RCE), SSRF and Stored XSS

JMedia (ThemeXpert Joomla Media Manager) versions 1.0 to 1.5.4 are affected by an authenticated arbitrary file upload leading to RCE (CVE-2026-60032, CVSS 9.4 Critical - executable/polyglot uploads, chmod did not strip execute bits), an SSRF via remote-URL download (CVE-2026-60033), and a stored XSS via unsanitised SVG upload (CVE-2026-60034). Fixed in JMedia 1.5.5. JMedia also ships bundled inside Quix Page Builder, where the same media-manager flaws were fixed in Quix 6.2.1/6.2.2, so sites running Quix below 6.2.2 are already flagged by the com_quix rule. Update JMedia to 1.5.5 or later (or Quix to 6.2.2+).

Is my site affected?

Affected
JMedia up to and including 1.5.4
Fixed in
A release after 1.5.4
What to do
Update JMedia to the newest release from the vendor. This flaw covers versions up to 1.5.4, so any later release is outside it.
Check whether your sites are affected

How CVE-2026-60034 is scored

The base metrics as Joomla CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

9.4 Critical

CVSS 4.0, scored by Joomla CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

How it is reached

AV:N Attack vector
Network. Reachable across the internet
AC:L Attack complexity
Low. Nothing to work around, it just works
AT:N Attack requirements
None. Works against any affected install
PR:H Privileges required
High. Needs an account with elevated rights
UI:N User interaction
None. Nobody has to be tricked into anything

What it does to the site

VC:H Confidentiality
High. Everything the site holds can be read
VI:H Integrity
High. Data and files can be altered at will
VA:H Availability
High. The site can be taken down

What it does beyond the site

SC:H Confidentiality
High. Data on other systems can be read
SI:H Integrity
High. Other systems can be altered
SA:H Availability
High. Other systems can be taken down

Timeline

  1. 20 July 2026CVE-2026-60034 record published by its CNA
  2. 20 July 2026mySites.guru check added for JMedia (up to and including 1.5.4)

Rule details

Other vulnerabilities in JMedia

Updating for CVE-2026-60034 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extension.

JMedia

References

CVE-2026-60034 questions

Which versions are affected by CVE-2026-60034?
CVE-2026-60034 affects JMedia up to and including 1.5.4.
How do I fix CVE-2026-60034?
Update JMedia to the newest release from the vendor. This flaw covers versions up to 1.5.4, so any later release is outside it.
How severe is CVE-2026-60034?
Joomla CNA scores it 9.4 (Critical) under CVSS 4.0. In plain terms: reachable across the internet, needs an account with elevated rights and nobody has to be tricked into anything.

Running an affected version on a site you manage?

A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up. No card required. If a site is already compromised, fix.mysites.guru is a single fixed fee per incident, usually resolved the same day.

This check is part of the mySites.guru Joomla vulnerability scanner, which reads every installed extension's version on each audit. Browse the rest of the Joomla vulnerability database.

Rules current as of 15 November 2026.