CVE-2022-27914
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 · uneditedAn 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 confidenceReflected 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.
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>= 4.0.0, < 4.2.5CVSS 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 checksWork through these to decide whether this CVE applies to you.
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Determine installed Joomla versionNavigate to System > Information > Joomla! Information in the administrator panel, or check the libraries/cms.php file for the VERSION defineAffected if The installed version is 4.0.0 through 4.2.4
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Verify com_media component is enabledGo to System > Manage > Extensions and search for the Media component, or check the #__extensions table in the database for com_media with enabled=1Affected if The com_media component is published and enabled
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Confirm media manager is accessible to usersCheck 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 settingsAffected 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.
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 · scoped4.2.5
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.
Joomla! 4.2.5 or later
- Create a complete backup of your Joomla site including both files and database
- Log into the Joomla Administrator backend
- Navigate to System > Update > Joomla
- Click the "Check for Updates" button
- If Joomla 4.2.5 or later is available, click "Install the Update"
- Wait for the update process to complete
- Verify the update by checking System > Information in the admin panel shows the new version
- Clear the site cache (System > Clear Cache)
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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 locallyCheck 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-27914 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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