Security readout for executives and security teams
Plain-English summary
CVE-2023-52126 affects the WordPress Send Users Email plugin through version 1.4.3. It may expose sensitive information to unauthenticated users. The known impact is confidentiality only, rated medium by CVSS. No provided source states active exploitation or a confirmed fixed version.
Executive priority
Treat as a moderate WordPress plugin exposure issue. Prioritize internet-facing sites and sites handling sensitive user or customer data. It is not currently evidenced as actively exploited in the provided sources.
Technical view
The issue is CWE-200 sensitive information exposure in Suman Bhattarai's Send Users Email WordPress plugin, package send-users-email. CVSS 3.1 is 5.3 with network attack vector, low complexity, no privileges, no user interaction, unchanged scope, and low confidentiality impact.
Likely exposure
Exposure is most likely on WordPress sites with Send Users Email installed at version 1.4.3 or earlier, especially where plugin functionality is reachable from the internet.
Exploitation context
The CVSS vector indicates unauthenticated remote reachability, but the source bundle does not provide exploit details. CISA KEV is false, and no cited source in the bundle claims active exploitation.
Researcher notes
The public bundle confirms product, affected range, CWE, CVSS, and Patchstack reference, but does not include vulnerable endpoint details, exposed data types, exploit availability, or a fixed version. Avoid assuming remediation beyond vendor-guidance checks and plugin removal or upgrade.
Mitigation direction
- Inventory WordPress sites for the send-users-email plugin and installed version.
- Check Patchstack, WordPress plugin pages, or vendor guidance for a fixed release.
- Upgrade if a supported fixed version is available from trusted sources.
- Disable or remove the plugin if no acceptable fix is available.
- Limit public exposure of affected WordPress sites where operationally feasible.
Validation and detection
- Confirm whether Send Users Email is installed on each WordPress site.
- Verify installed versions are not 1.4.3 or earlier.
- Review vendor or Patchstack guidance for any named patched version.
- Check logs for unusual unauthenticated access to plugin-related functionality.
- Document compensating controls if the plugin cannot be removed promptly.
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-2023-52126 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
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.