Security readout for executives and security teams
Plain-English summary
CVE-2019-19981 affects the WordPress Email Subscribers & Newsletters plugin before 4.2.3. A malicious site could trick a logged-in WordPress user into changing plugin settings without intending to. The impact is business-relevant but not catastrophic: it primarily risks unwanted configuration changes rather than direct data theft.
Executive priority
Treat this as a moderate-priority hygiene fix. It is not reported as actively exploited in the provided sources, but affected public WordPress sites should be updated promptly because settings tampering can disrupt communications and site operations.
Technical view
The issue is a CSRF flaw across plugin settings in Email Subscribers & Newsletters before 4.2.3. CVSS 3.0 is 5.4, with network attack vector, low complexity, no attacker privileges, and required user interaction. The reported impact is low integrity and availability impact with no confidentiality impact.
Likely exposure
Exposure is limited to WordPress installations running Email Subscribers & Newsletters versions earlier than 4.2.3. Practical risk depends on whether privileged WordPress users are active and could be induced to interact with attacker-controlled content while authenticated.
Exploitation context
The source bundle does not show KEV listing or confirmed active exploitation. Exploitation requires user interaction and relies on CSRF against an authenticated WordPress session. The available evidence supports configuration-tampering risk, not unauthenticated remote takeover.
Researcher notes
The affected range is stated as before 4.2.3, but the bundle does not provide deeper implementation detail, CWE mapping, or exploit telemetry. Validation should focus on version confirmation, plugin presence, and post-upgrade configuration review rather than offensive reproduction.
Mitigation direction
- Upgrade Email Subscribers & Newsletters to version 4.2.3 or later.
- Remove the plugin if it is unused or no longer required.
- Review plugin settings for unauthorized changes after upgrading.
- Limit WordPress admin access to trusted users only.
- Check vendor and plugin guidance for any newer security recommendations.
Validation and detection
- Inventory WordPress sites using Email Subscribers & Newsletters.
- Confirm installed plugin versions are 4.2.3 or later.
- Review WordPress admin audit records for unexpected plugin setting changes.
- Verify current plugin configuration matches approved business settings.
- Check whether affected sites have privileged users with recent suspicious sessions.
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
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CVE-2019-19981 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:U/UI:R
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:3.0/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:U/UI:R2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:U/UI:R
Source materials
- CVE List V5 sourceCVE List V5
- https://wpvulndb.com/vulnerabilities/9946CVE reference · x_refsource_MISC
- https://www.wordfence.com/blog/2019/11/multiple-vulnerabilities-patched-in-email-subscribers-newsletters-plugin/CVE reference · x_refsource_MISC
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.