Joomla\!Application · Joomla

CVE-2022-27914

MEDIUM · 6.1 CVSS v3.1 Published 2022-11-08
Fix available
A fix is available. Upgrade to 4.2.5 or later.
See remediation →
68/100
Remediation priority · Elevated
Remotely reachable No privileges

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An issue was discovered in Joomla! 4.0.0 through 4.2.4. Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in com_media.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Reflected XSS vulnerability in Joomla's com_media component (versions 4.0.0-4.2.4) caused by inadequate filtering of user input. The vulnerability allows attackers to inject malicious scripts through unsanitized parameters that are reflected back to the user in the media manager interface.

MitigationUpgrade Joomla to version 4.2.5 or later which contains the fix for proper input filtering in com_media; alternatively, apply output encoding/sanitization to user-supplied input in the affected media component.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Joomla\!Application
Affected:>= 4.0.0, < 4.2.5

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Determine installed Joomla version
    Navigate to System > Information > Joomla! Information in the administrator panel, or check the libraries/cms.php file for the VERSION define
    Affected if The installed version is 4.0.0 through 4.2.4
  2. Verify com_media component is enabled
    Go to System > Manage > Extensions and search for the Media component, or check the #__extensions table in the database for com_media with enabled=1
    Affected if The com_media component is published and enabled
  3. Confirm media manager is accessible to users
    Check if the media manager interface is reachable via index.php?option=com_media, and verify which user groups have access to the component through the permissions settings
    Affected if Untrusted or lower-privilege users can access the media manager interface

A user is affected if they are running Joomla version 4.0.0 to 4.2.4 with the com_media component enabled and accessible to potentially malicious users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 4.2.5 or later
Fixed in 4.2.5
Interim mitigation

Upgrade Joomla to version 4.2.5 or later which contains the fix for proper input filtering in com_media; alternatively, apply output encoding/sanitization to user-supplied input in the affected media component.

Recommended fix High confidence

Joomla! 4.2.5 or later

  1. Create a complete backup of your Joomla site including both files and database
  2. Log into the Joomla Administrator backend
  3. Navigate to System > Update > Joomla
  4. Click the "Check for Updates" button
  5. If Joomla 4.2.5 or later is available, click "Install the Update"
  6. Wait for the update process to complete
  7. Verify the update by checking System > Information in the admin panel shows the new version
  8. Clear the site cache (System > Clear Cache)
Caveat Minor version upgrades in Joomla typically have minimal breaking changes; review the Joomla 4.2.5 release notes for any specific migration notes

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Joomla\! Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,240
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,984.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2022-27914 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-27914 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data