Security readout for executives and security teams
Plain-English summary
A WordPress plugin used to connect to Fakturama can have its settings changed if an administrator is tricked into clicking a malicious link or visiting a crafted page. The issue does not let an attacker act alone; it requires administrator interaction. Business urgency is moderate and focused on sites using this specific plugin.
Executive priority
Treat as a targeted medium-priority WordPress hygiene issue. Prioritize sites where this plugin is installed and administered by users likely to receive phishing. It is not currently supported by sources as actively exploited or broadly business-critical.
Technical view
CVE-2026-4143 is a CSRF flaw in Neos Connector for Fakturama for WordPress through version 0.0.14. The reported cause is missing nonce validation in ncff_add_plugin_page(), which handles settings updates. An unauthenticated attacker could induce an administrator’s browser to submit a forged settings-change request. CVSS is 4.3, integrity impact low.
Likely exposure
Exposure appears limited to WordPress sites with Neos Connector for Fakturama installed at version 0.0.14 or earlier. Sites not using this plugin are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not indicate active exploitation, and KEV status is false. Exploitation requires user interaction by a site administrator, such as clicking a link, and targets plugin settings integrity rather than data theft or service outage.
Researcher notes
The public report ties the issue to CWE-352 and missing nonce validation in ncff_add_plugin_page(). The references point to trunk and 0.0.14 plugin code around the settings page. The provided sources do not name a fixed version or specific patch.
Mitigation direction
- Inventory WordPress sites for Neos Connector for Fakturama installations.
- Identify any installed version at or below 0.0.14.
- Check vendor or WordPress plugin guidance for an updated or corrected release.
- If the plugin is unnecessary, consider disabling or removing it.
- Review plugin settings for unauthorized or unexpected changes.
Validation and detection
- Confirm whether the plugin is installed on each WordPress site.
- Record the installed plugin version and compare it to 0.0.14.
- Review the referenced plugin code path for missing nonce validation around settings updates.
- Check administrative activity and settings history for suspicious changes.
- Monitor vendor and WordPress plugin pages for remediation guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-4143 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d6ffc8de-e8e4-41b6-a4b9-79511fb950fc?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/neos-connector-for-fakturama/trunk/neosconnectorforfakturama-admin.php#L231CVE reference
- https://plugins.trac.wordpress.org/browser/neos-connector-for-fakturama/tags/0.0.14/neosconnectorforfakturama-admin.php#L231CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.