Security readout for executives and security teams
Plain-English summary
A WordPress donation plugin exposed donor records to logged-in users who should not have access. The weakness is a missing permission check around the donation CSV export feature. For organizations using this plugin, the main business risk is unauthorized disclosure of donor information, not system takeover.
Executive priority
Treat as a privacy and donor-trust issue. Prioritize remediation on donation sites with many WordPress users or sensitive donor records, but this is not described as remote unauthenticated compromise.
Technical view
CVE-2021-4377 affects Doneren met Mollie for WordPress. The reported issue is in dmm_export_donations(), reached through the admin_post_dmm_export hook without adequate capability checks. An authenticated attacker could obtain a CSV export containing sensitive donor information. Sources conflict on the exact affected upper version, so verify against vendor/plugin guidance.
Likely exposure
Exposure is limited to WordPress sites that installed Doneren met Mollie and allow untrusted or low-privileged authenticated users. Public unauthenticated exposure is not supported by the supplied sources.
Exploitation context
The supplied sources do not indicate CISA KEV listing or active exploitation. Exploitation requires a valid authenticated WordPress account and targets confidentiality of donor data through an export path.
Researcher notes
The core issue is missing authorization before a CSV donation export. The source bundle is inconsistent on affected versions: the title says <=2.8.4, while the description says through 2.8.5. Do not assume exact fixed-version boundaries without checking the referenced advisories.
Mitigation direction
- Update Doneren met Mollie to the fixed version identified by the plugin vendor.
- Review vendor, Wordfence, WPScan, and WordPress Trac guidance for version-specific remediation.
- Remove unnecessary WordPress user accounts and restrict low-privileged access.
- Review donor export access and data handling procedures.
Validation and detection
- Inventory WordPress sites for Doneren met Mollie installations.
- Confirm the installed plugin version against vendor and vulnerability references.
- Review WordPress accounts with login access, especially low-privileged users.
- Check logs for unusual donation export activity where available.
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
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ATT&CK lookup starting points
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CWE-200: Information exposure and cloud metadata lookup
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Open ATT&CK lookupCVE-2021-4377 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ed99a056-42c6-4540-950e-12f8b547b64d?source=cveCVE reference
- https://blog.nintechnet.com/information-disclosure-vulnerability-fixed-in-wordpress-doneren-met-mollie-plugin/CVE reference
- https://plugins.trac.wordpress.org/changeset/2459548CVE reference
- https://wpscan.com/vulnerability/36afc442-9634-498e-961e-4c935880cd2bCVE 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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.