How severe is CVE-2021-4377?

CVE-2021-4377 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-4377 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4377?

CVE-2021-4377 affects Wobbie Doneren Met Mollie. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4377?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4377 published?

CVE-2021-4377 was published on 2023-06-07 and last updated on 2026-06-17.

CVE-2021-4377

CVE-2021-4377 is a medium-severity vulnerability in Wobbie Doneren Met Mollie with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Wobbie Doneren Met Mollie
Published: 2023-06-07
Last modified: 2026-06-17

Description

The Doneren met Mollie plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 2.8.5 via the dmm_export_donations() function which is called via the admin_post_dmm_export hook due to missing capability checks. This can allow authenticated attackers to extract a CSV file that contains sensitive information about the donors.

Frequently asked questions

What is CVE-2021-4377?: The Doneren met Mollie plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 2.8.5 via the dmm_export_donations() function which is called via the admin_post_dmm_export hook due to missing capability checks. This can allow authenticated attackers to extract a CSV file that contains sensitive information about the donors.
How severe is CVE-2021-4377?: CVE-2021-4377 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-4377 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4377?: CVE-2021-4377 affects Wobbie Doneren Met Mollie. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4377?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4377 published?: CVE-2021-4377 was published on 2023-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wobbie:doneren_met_mollie:*:*:*:*:*:wordpress:*:*

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →