Affected versions: ≤ 13.0.0
Full advisory: our disclosure post
CVE-2026-63280HighCVSS 8.8CVE published 22 July 2026Added to mySites.guru 22 July 2026
Regular Labs Content Templater (com_contenttemplater) <= 13.0.0 - Broken Access Control and Stored XSS
Regular Labs Content Templater up to and including 13.0.0. Administrator actions, editor popups and import/export requests lacked consistent token, item-permission and input-validation checks (CVE-2026-63684). Via the bundled Conditions component it is also affected by CVE-2026-63280 (missing tokens/permissions in Conditions administration), CVE-2026-63281 (stored XSS in administrator summaries) and CVE-2026-63683 (spoofable IP/GeoIP condition headers), plus CVE-2026-63265 (Regular Labs AJAX endpoints). Fixed in the Regular Labs security release of 22 July 2026 (14.0.0).
Is my site affected?
CVE-2026-63280 is checked by 4 rules. Find the extension and release line your site runs:
| Extension | Affected versions | Fixed in | What to do |
|---|---|---|---|
| Content Templater | up to and including 13.0.0 | after 13.0.0 | Update Content Templater to the newest release from the vendor. This flaw covers versions up to 13.0.0, so any later release is outside it. |
| Advanced Module Manager | up to and including 11.0.1 | after 11.0.1 | Update Advanced Module Manager to the newest release from the vendor. This flaw covers versions up to 11.0.1, so any later release is outside it. |
| ReReplacer | up to and including 15.0.3 | after 15.0.3 | Update ReReplacer to the newest release from the vendor. This flaw covers versions up to 15.0.3, so any later release is outside it. |
| Conditional Content | up to and including 6.0.0 | after 6.0.0 | Update Conditional Content to the newest release from the vendor. This flaw covers versions up to 6.0.0, so any later release is outside it. |
How CVE-2026-63280 is scored
The base metrics as CISA-ADP 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.
8.8 High
CVSS 3.1, scored by CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HHow it is reached
- AV:N Attack vector
- Network. Reachable across the internet
- AC:L Attack complexity
- Low. Nothing to work around, it just works
- PR:N Privileges required
- None. No account needed
- UI:R User interaction
- Required. Someone has to click or visit something
- S:U Scope
- Unchanged. Contained to the extension it is in
What it does
- C:H Confidentiality
- High. Everything the site holds can be read
- I:H Integrity
- High. Data and files can be altered at will
- A:H Availability
- High. The site can be taken down
The rule below is rated Medium for the set of 4 CVEs it covers together, not for this record on its own.
Timeline
- 22 July 2026CVE-2026-63280 record published by its CNA
- 22 July 2026mySites.guru check added for Content Templater (up to and including 13.0.0)
- 22 July 2026mySites.guru check added for Advanced Module Manager (up to and including 11.0.1)
- 22 July 2026mySites.guru check added for ReReplacer (up to and including 15.0.3)
- 22 July 2026mySites.guru check added for Conditional Content (up to and including 6.0.0)
- 22 July 2026We published: Regular Labs Patched Its Whole Joomla Extension Catalogue at Once
Rule details
Advanced Module Manager - Regular Labs Advanced Module Manager (com_advancedmodules) <= 11.0.1 - Broken Access Control, Stored XSS and GeoIP Rule Bypass
Regular Labs Advanced Module Manager up to and including 11.0.1, via the bundled Conditions component and the shared Regular Labs library. Conditions administration did not consistently enforce tokens and component/mapped-item permissions (CVE-2026-63280); stored condition values could execute HTML/JavaScript in administrator summaries (CVE-2026-63281); IP and GeoIP conditions trusted spoofable forwarded headers, letting a remote client bypass location-based display rules (CVE-2026-63683); and privileged Regular Labs AJAX endpoints did not consistently require valid CSRF tokens or matching permissions (CVE-2026-63265). Fixed in the Regular Labs security release of 22 July 2026 (12.0.0).
Affected versions: ≤ 11.0.1
Full advisory: our disclosure post
ReReplacer - Regular Labs ReReplacer (com_rereplacer) <= 15.0.3 - Path Traversal, Broken Access Control and Stored XSS
Regular Labs ReReplacer up to and including 15.0.3. ReReplacer XML include paths could read files outside the site directory (CVE-2026-65754). Administrator actions, editor popups and import/export requests lacked consistent token, item-permission and input-validation checks (CVE-2026-63684). Via the bundled Conditions component it is also affected by CVE-2026-63280 (missing tokens/permissions in Conditions administration), CVE-2026-63281 (stored XSS in administrator summaries) and CVE-2026-63683 (spoofable IP/GeoIP condition headers), plus CVE-2026-64792 (Smart Search indexing rendering restricted content as the indexing administrator) and CVE-2026-63265 (Regular Labs AJAX endpoints). Fixed in the Regular Labs security release of 22 July 2026 (16.0.0).
Affected versions: ≤ 15.0.3
Full advisory: our disclosure post
Conditional Content - Regular Labs Conditional Content (conditionalcontent) <= 6.0.0 - Broken Access Control, Stored XSS and GeoIP Rule Bypass
Regular Labs Conditional Content up to and including 6.0.0, via the bundled Conditions component and the shared Regular Labs library. Conditions administration did not consistently enforce tokens and component/mapped-item permissions (CVE-2026-63280); stored condition values could execute HTML/JavaScript in administrator summaries (CVE-2026-63281); IP and GeoIP conditions trusted spoofable forwarded headers (CVE-2026-63683); Smart Search indexing could store restricted content in the public index (CVE-2026-64792); and the Regular Labs AJAX endpoints lacked consistent CSRF and permission checks (CVE-2026-63265). Fixed in the Regular Labs security release of 22 July 2026 (7.0.0).
Affected versions: ≤ 6.0.0
Full advisory: our disclosure post
Our disclosure post
Other vulnerabilities in Content Templater, Advanced Module Manager, ReReplacer and Conditional Content
Updating for CVE-2026-63280 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extensions.
Content Templater
Latest safe version: 14.2.0
- CVE-2026-85188 Medium, from 14.0.0 up to but not including 14.2.0
- CVE-2026-63684 Medium, up to and including 13.0.0
- CVE-2026-63281 Medium, up to and including 13.0.0
- CVE-2026-63683 Medium, up to and including 13.0.0
Advanced Module Manager
Latest safe version: 12.1.0
- CVE-2026-85188 Medium, from 12.0.0 up to but not including 12.1.0
- CVE-2026-63281 Medium, up to and including 11.0.1
- CVE-2026-63683 Medium, up to and including 11.0.1
- CVE-2026-63265 Medium, up to and including 11.0.1
ReReplacer
Latest safe version: 16.2.0
- CVE-2026-85188 Medium, from 16.0.0 up to but not including 16.2.0
- CVE-2026-65754 Medium, up to and including 15.0.3
- CVE-2026-63684 Medium, up to and including 15.0.3
- CVE-2026-63281 Medium, up to and including 15.0.3
Conditional Content
Latest safe version: 8.0.0
- CVE-2026-85192 Critical, from 7.0.0 up to but not including 8.0.0
- CVE-2026-85188 Critical, from 7.0.0 up to but not including 8.0.0
- CVE-2026-63281 Medium, up to and including 6.0.0
- CVE-2026-63683 Medium, up to and including 6.0.0
- CVE-2026-64792 Medium, up to and including 6.0.0
References
- CVE-2026-63280 on cve.org (the official CVE record)
- CVE-2026-63280 in the NIST National Vulnerability Database
- Regular Labs Patched Its Whole Joomla Extension Catalogue at Once
CVE-2026-63280 questions
Which versions are affected by CVE-2026-63280?
CVE-2026-63280 is covered by 4 rules: Content Templater up to and including 13.0.0; Advanced Module Manager up to and including 11.0.1; ReReplacer up to and including 15.0.3; Conditional Content up to and including 6.0.0.
How do I fix CVE-2026-63280?
It depends on the extension and release line your site runs. For Content Templater up to and including 13.0.0: update Content Templater to the newest release from the vendor. This flaw covers versions up to 13.0.0, so any later release is outside it. For Advanced Module Manager up to and including 11.0.1: update Advanced Module Manager to the newest release from the vendor. This flaw covers versions up to 11.0.1, so any later release is outside it. For ReReplacer up to and including 15.0.3: update ReReplacer to the newest release from the vendor. This flaw covers versions up to 15.0.3, so any later release is outside it. For Conditional Content up to and including 6.0.0: update Conditional Content to the newest release from the vendor. This flaw covers versions up to 6.0.0, so any later release is outside it.
How severe is CVE-2026-63280?
CISA-ADP scores it 8.8 (High) under CVSS 3.1. In plain terms: reachable across the internet, no account needed and someone has to click or visit something.
Running an affected version on a site you manage?
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Rules current as of 5 October 2026.