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Neos CmsApplication · Neos

CVE-2022-30429

MEDIUM · 5.4 CVSS v3.1 Published 2022-06-02
Fix available
A fix is available. Upgrade to 5.3.10 / 7.0.9 or later.
See remediation →
58/100
Remediation priority · Elevated
Public exploit Remotely reachable

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
Multiple cross-site scripting (XSS) vulnerabilities in Neos CMS allow attackers with the editor role or higher to inject arbitrary script or HTML code using the editor function, the deletion of assets, or a workspace title. The vulnerabilities were found in versions 3.3.29 and 8.0.1 and could also be present in all intermediate versions.

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
How this class of weakness works · CWE-79

Untrusted input is placed into a web page without being neutralised, so an attacker's markup or script executes in another user's browser. That can hijack sessions, capture keystrokes, or silently perform actions as the victim. Fixing it properly means context-aware output encoding everywhere data meets HTML, backed by a content-security policy as a second line of defence.

General guidance for the cross-site scripting (xss) class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

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
Neos CmsApplication
Affected:>= 3.3.0, < 5.3.10>= 7.0.0, < 7.0.9>= 7.1.0, < 7.1.7>= 7.2.0, < 7.2.6>= 7.3.0, < 7.3.4>= 8.0.0, < 8.0.2

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
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

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

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 5.3.10 / 7.0.9 / 7.1.7 or later
Fixed in 5.3.107.0.97.1.7
Recommended fix High confidence

Upgrade to 5.3.10+ (for 3.x/5.x), 7.0.9 (for 7.0.x), 7.1.7 (for 7.1.x), or 7.2.6 (for 7.2.x) - preferably migrate to the latest stable 7.x or 8.x release for long-term support

  1. 1. Identify the currently installed Neos CMS version by checking the composer.json or the Neos admin interface
  2. 2. For Neos 3.x versions (< 5.3.10): Upgrade to version 5.3.10 or later (consider upgrading to a supported version like 5.3.x LTS)
  3. 3. For Neos 7.0.x versions (< 7.0.9): Upgrade to version 7.0.9
  4. 4. For Neos 7.1.x versions (< 7.1.7): Upgrade to version 7.1.7
  5. 5. For Neos 7.2.x versions (< 7.2.6): Upgrade to version 7.2.6
  6. 6. Run composer update to apply the changes
  7. 7. Clear the Neos cache after upgrade (./flow flow:cache:flush --force)
  8. 8. Verify the upgrade by logging into the admin interface and testing the editor, asset deletion, and workspace functionality
Caveat Minor version upgrades typically have minimal breaking changes; however, review the Neos changelog for any breaking changes between your current version and target version, especially when crossing major version boundaries

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

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $900. Get the upgrade done

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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-2022-30429 in production — separate from our analysis above.

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