Security readout for executives and security teams
Plain-English summary
CVE-2023-3779 exposes a MailChimp API key from affected WordPress pages using Essential Addons for Elementor Premium. If the MailChimp block is enabled on a public page, unauthenticated visitors may obtain the key. The main business risk is compromise or misuse of MailChimp integration credentials, not direct site takeover.
Executive priority
Treat this as a prompt credential exposure response, not an emergency outage issue. Prioritize sites with active MailChimp campaigns, public forms, or sensitive mailing-list workflows. Rotate exposed keys and verify plugin remediation before considering the risk closed.
Technical view
Essential Addons for Elementor versions up to and including 5.8.1 added the MailChimp API key to page source when the MailChimp block was used. The issue is CWE-200 information exposure with CVSS 5.3: network-accessible, low complexity, no privileges, no user interaction, low confidentiality impact.
Likely exposure
Exposure is limited to WordPress sites running the premium plugin version up to 5.8.1 with the MailChimp block enabled on a page. Sites without the premium version, without that block, or not using MailChimp through this widget are not indicated as affected by the source bundle.
Exploitation context
The source bundle does not indicate active exploitation, and KEV status is false. The risk is still practical because any unauthenticated visitor to an affected public page could view disclosed credential material if the vulnerable condition exists.
Researcher notes
Evidence supports unauthenticated information disclosure only under the premium-plugin plus MailChimp-block condition. No source provided exploit-in-the-wild confirmation, direct compromise evidence, or detailed fixed-version guidance beyond the affected upper bound. Avoid broad claims about all Essential Addons installations.
Mitigation direction
- Reset MailChimp API keys used by affected sites.
- Upgrade Essential Addons for Elementor Premium using vendor guidance.
- Disable or remove the MailChimp block until exposure is resolved.
- Review MailChimp account activity for unexpected API use.
- Limit MailChimp API key privileges where supported.
Validation and detection
- Inventory sites using Essential Addons for Elementor Premium.
- Identify installations at version 5.8.1 or earlier.
- Confirm whether any page uses the MailChimp block.
- Review affected page output for unintended credential disclosure.
- Check MailChimp audit or activity logs for suspicious use.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2023-3779 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/e007c713-74bc-4ff5-a198-70dcc8a8ee68?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2938177%40essential-addons-for-elementor-lite&new=2938177%40essential-addons-for-elementor-lite&sfp_email=&sfph_mail=CVE 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.