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CVE-2026-85192CriticalCVSS 9.4CVE published 14 September 2026Added to mySites.guru 13 September 2026

Conditional Content (conditionalcontent) 7.0.0 to below 8.0.0 - Authenticated PHP Code Execution via Inline Condition Rules

Regular Labs Conditional Content 7.0.0 through 7.1.0 is affected by two vendor-confirmed security defects, both fixed in 8.0.0 (released 13 September 2026). CVE-2026-85192 is the more serious and the most serious item in the whole 13 September batch: untrusted article authors could run PHP through inline Condition Rules. That is arbitrary code execution reachable by the lowest content-authoring role on a Joomla site, which on any site permitting self-registration with authoring rights means an attacker can create that account themselves. 8.0.0 restricts it and is flagged by the vendor as a BC BREAK, so sites legitimately using PHP in Condition Rules must re-authorise the author groups allowed to do so. CVE-2026-85188 is a shared-code defect: the same Condition Set implementation ships in Advanced Module Manager, Conditional Content, Content Templater and ReReplacer, and Regular Labs fixed all four on 13 September 2026. Condition Set labels could be made to reference unrelated database fields, disclosing data the operator was not entitled to read. Exploitation requires administrator access to create or edit a Condition Set, so this is an authenticated information disclosure rather than a remote one. Update to 8.0.0 or later and review who holds content-authoring rights. The CVE records were published on 14 September 2026: CVE-2026-85192 at CVSS 4.0 9.4 (Critical), vector 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; CVE-2026-85188 at CVSS 4.0 6.9 (Medium), vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N.

Is my site affected?

Affected
Conditional Content from 7.0.0 up to but not including 8.0.0
Fixed in
8.0.0
What to do
Update Conditional Content to 8.0.0 or later.
Check whether your sites are affected

How CVE-2026-85192 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. 13 September 2026mySites.guru check added for Conditional Content (from 7.0.0 up to but not including 8.0.0)
  2. 14 September 2026CVE-2026-85192 record published by its CNA

Rule details

Other vulnerabilities in Conditional Content and Conditional Content

Updating for CVE-2026-85192 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extensions.

Conditional Content

Latest safe version: 8.0.0

Conditional Content

Latest safe version: 8.0.0

References

CVE-2026-85192 questions

Which versions are affected by CVE-2026-85192?
CVE-2026-85192 affects Conditional Content from 7.0.0 up to but not including 8.0.0. The fix is in 8.0.0.
How do I fix CVE-2026-85192?
Update Conditional Content to 8.0.0 or later. Then confirm the installed version on the Joomla administrator's Extensions: Manage screen.
How severe is CVE-2026-85192?
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?

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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 13 October 2026.