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CriticalA PHP security release fixes two CVSS 9.2 flaws, and PHP 8.1 and older get no patchWhat it means for your site
CVE-2023-23753CriticalCVSS 9.8CVE published 23 April 2023

Visforms (com_visforms) 3.0.0 below 3.0.5 - SQL Injection

Visforms Base Package for Joomla 3, versions 3.0.0 to below 3.0.5, is affected by an SQL injection vulnerability (CVE-2023-23753). Update to 3.0.5 or later.

Is my site affected?

Affected
Visforms from 3.0.0 up to but not including 3.0.5
Fixed in
3.0.5
What to do
Update Visforms to 3.0.5 or later.
Check whether your sites are affected

How CVE-2023-23753 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.

9.8 Critical

CVSS 3.1, scored by CISA-ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A: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
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:H Integrity
High. Data and files can be altered at will
A:H Availability
High. The site can be taken down

Timeline

  1. 23 April 2023CVE-2023-23753 record published by its CNA

Rule details

Other vulnerabilities in Visforms

Updating for CVE-2023-23753 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extension.

Visforms

Latest safe version: 6.2.1

References

CVE-2023-23753 questions

Which versions are affected by CVE-2023-23753?
CVE-2023-23753 affects Visforms from 3.0.0 up to but not including 3.0.5. The fix is in 3.0.5.
How do I fix CVE-2023-23753?
Update Visforms to 3.0.5 or later. Then confirm the installed version on the Joomla administrator's Extensions: Manage screen.
How severe is CVE-2023-23753?
CISA-ADP scores it 9.8 (Critical) 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A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up.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 24 October 2026.