Security readout for executives and security teams
Plain-English summary
This WordPress plugin flaw lets outsiders reach a Mailchimp integration endpoint without logging in. Affected sites could be used to make unwanted Mailchimp API calls, alter subscription data, consume API quota, or burden the site. Sources do not show confirmed active exploitation.
Executive priority
Treat this as urgent for any WordPress property using ElementsKit with Mailchimp. The flaw is remotely reachable without authentication and can affect third-party API usage, data integrity, and site resources.
Technical view
ElementsKit Elementor Addons elementskit-lite before 3.7.9 exposes an unauthenticated Mailchimp subscribe REST endpoint. The endpoint accepts client-supplied Mailchimp API credentials and insufficiently validates parameters, including list, when building upstream Mailchimp API requests. The assigned issue is CWE-306 with CVSS 3.1 score 10.0.
Likely exposure
Exposure is likely limited to WordPress sites running elementskit-lite versions earlier than 3.7.9, especially where Mailchimp widgets or integrations are enabled. The bundle does not identify broader affected products.
Exploitation context
The source bundle states unauthenticated attackers can abuse the endpoint as an open proxy to Mailchimp. KEV status is false, and no cited source in the bundle confirms in-the-wild exploitation.
Researcher notes
Evidence supports an unauthenticated REST endpoint and weak parameter validation, but the bundle does not include proof of exploitation, exploit telemetry, or detailed patch notes. Avoid assuming compromise solely from plugin presence.
Mitigation direction
- Upgrade ElementsKit Elementor Addons to version 3.7.9 or later.
- If upgrade is delayed, disable the plugin until vendor guidance is applied.
- Rotate Mailchimp API credentials if suspicious activity is found.
- Monitor Mailchimp quota, subscription changes, and API audit records.
- Review vendor and WordPress plugin pages for updated remediation guidance.
Validation and detection
- Inventory WordPress sites for elementskit-lite versions below 3.7.9.
- Confirm the plugin is upgraded to 3.7.9 or later.
- Review web logs for unauthenticated Mailchimp subscribe endpoint traffic.
- Check Mailchimp API activity for abnormal calls or subscription changes.
- Verify exposed sites no longer run vulnerable plugin builds.
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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2026-23693 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
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:C/C:L/I:H/A:H3.96VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/elementskit-lite/CVE reference, VulnCheck · product, patch
- https://wpmet.com/plugin/elementskit/CVE reference, VulnCheck · product
- https://www.vulncheck.com/advisories/elementskit-lite-unauthenticated-mailchimp-rest-endpointCVE reference, VulnCheck · third-party-advisory
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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.