Affected versions: ≤ 18.0.2
Full advisory: regularlabs.com
CVE-2026-64799HighCVSS 7.5CVE published 23 July 2026Added to mySites.guru 22 July 2026
Articles Anywhere (articlesanywhere) below 19.0.0 - SSRF, Stored XSS and Sensitive Data Exposure
Regular Labs Articles Anywhere before 19.0.0 is affected by issues fixed in the coordinated Regular Labs security release of 22 July 2026 (no CVE assigned): external image downloads accepting unsafe hosts, redirects, non-image responses or local download folders (SSRF); tag-provided field custom HTML overrides able to render unsafe markup (stored XSS); tag-provided ignore flags able to expose restricted or unpublished content; Smart Search indexing generated output with the indexing administrator access; and user tags, filters and conditions able to expose authentication data. Several fixes are BC breaks (field custom HTML now renders as escaped text). Update to Articles Anywhere 19.0.0 or later. CVE ids assigned by the Joomla CNA for this extension in the 22 July 2026 Regular Labs security release: CVE-2026-64793, CVE-2026-64794, CVE-2026-64795, CVE-2026-64799, CVE-2026-65755.
Is my site affected?
CVE-2026-64799 is checked by 2 rules. Find the extension and release line your site runs:
| Extension | Affected versions | Fixed in | What to do |
|---|---|---|---|
| Articles Anywhere | up to and including 18.0.2 | update to 19.0.0 | Update Articles Anywhere to 19.0.0 for this flaw, or to 20.0.0 or later, which no rule we check matches. |
| Users Anywhere | up to and including 1.2.7 | update to 2.0.0 | Update Users Anywhere to 2.0.0 for this flaw, or to 2.1.0 or later, which no rule we check matches. |
How CVE-2026-64799 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.
7.5 High
CVSS 3.1, scored by CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NHow 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:N User interaction
- None. Nobody has to be tricked into anything
- 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:N Integrity
- None. Nothing can be altered
- A:N Availability
- None. The site stays up
The rule below is rated Critical for the set of 5 CVEs it covers together, not for this record on its own.
Timeline
- 22 July 2026mySites.guru check added for Articles Anywhere (up to and including 18.0.2)
- 22 July 2026mySites.guru check added for Users Anywhere (up to and including 1.2.7)
- 23 July 2026CVE-2026-64799 record published by its CNA
Rule details
Users Anywhere - Users Anywhere (usersanywhere) below 2.0.0 - SSRF, Stored XSS and Sensitive Data Exposure
Regular Labs Users Anywhere before 2.0.0 is affected by issues fixed in the coordinated Regular Labs security release of 22 July 2026 (no CVE assigned): external image downloads accepting unsafe hosts, redirects, non-image responses or local download folders (SSRF); tag-provided field custom HTML overrides able to render unsafe markup (stored XSS); and tags able to expose authentication data or restricted contact details. Several fixes are BC breaks (field custom HTML now renders as escaped text). Update to Users Anywhere 2.0.0 or later. CVE ids assigned by the Joomla CNA for this extension in the 22 July 2026 Regular Labs security release: CVE-2026-64794, CVE-2026-64795, CVE-2026-64799, CVE-2026-65755.
Affected versions: ≤ 1.2.7
Full advisory: regularlabs.com
Other vulnerabilities in Articles Anywhere and Users Anywhere
Updating for CVE-2026-64799 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extensions.
Articles Anywhere
Latest safe version: 20.0.0
- CVE-2026-64793 Critical, up to and including 18.0.2
- CVE-2026-64794 Critical, up to and including 18.0.2
- CVE-2026-64795 Critical, up to and including 18.0.2
- CVE-2026-65755 Critical, up to and including 18.0.2
- CVE-2026-85195 High, from 19.0.0 up to but not including 20.0.0
- CVE-2026-85196 High, from 19.0.0 up to but not including 20.0.0
Users Anywhere
Latest safe version: 2.1.0
- CVE-2026-64794 High, up to and including 1.2.7
- CVE-2026-64795 High, up to and including 1.2.7
- CVE-2026-65755 High, up to and including 1.2.7
- CVE-2026-85196 Medium, from 2.0.0 up to but not including 2.1.0
References
- CVE-2026-64799 on cve.org (the official CVE record)
- CVE-2026-64799 in the NIST National Vulnerability Database
- regularlabs.com/latest-releases
CVE-2026-64799 questions
Which versions are affected by CVE-2026-64799?
CVE-2026-64799 is covered by 2 rules: Articles Anywhere up to and including 18.0.2; Users Anywhere up to and including 1.2.7.
How do I fix CVE-2026-64799?
It depends on the extension and release line your site runs. For Articles Anywhere up to and including 18.0.2: update Articles Anywhere to 19.0.0 for this flaw, or to 20.0.0 or later, which no rule we check matches. For Users Anywhere up to and including 1.2.7: update Users Anywhere to 2.0.0 for this flaw, or to 2.1.0 or later, which no rule we check matches.
How severe is CVE-2026-64799?
CISA-ADP scores it 7.5 (High) under CVSS 3.1. In plain terms: reachable across the internet, no account needed 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 23 October 2026.