Security readout for executives and security teams
Plain-English summary
A vulnerable WordPress plugin can store malicious script in an email subject. When someone views the affected logged email page, that script may run in their browser. This is most concerning for sites where administrators or staff review logged email inside WordPress.
Executive priority
Treat as high priority for WordPress environments using this plugin, especially business sites where admins handle sensitive sessions. It is not KEV-listed in the provided data, but unauthenticated stored XSS can create meaningful account and data exposure risk.
Technical view
CVE-2023-3166 is stored cross-site scripting in Lana Email Logger through insufficient sanitization and output escaping of email subjects. The bundle identifies versions up to and including 1.0.2. The issue is CWE-79 with CVSS 3.1 score 7.2 and network attack vector without authentication.
Likely exposure
Exposure is limited to WordPress sites using Lana Email Logger versions up to 1.0.2 and retaining email logs containing attacker-controlled subjects. The provided affected-product metadata is sparse, so inventory confirmation is important.
Exploitation context
The source bundle does not cite active exploitation, and KEV status is false. Exploitation would depend on getting a malicious subject stored and later viewed in the vulnerable plugin interface. No weaponization details are provided here.
Researcher notes
The CVE record and Wordfence entry align on stored XSS via email subject and missing sanitization/output escaping. The bundle references a WordPress Trac changeset, but does not include complete release metadata in the provided text.
Mitigation direction
- Inventory WordPress sites for Lana Email Logger and record installed versions.
- Upgrade beyond affected versions if a vendor-published fixed release is available.
- Review the WordPress plugin changeset and vendor guidance before assuming remediation is complete.
- Limit access to plugin log views until affected installations are updated.
- Clear suspicious historical email log entries after preserving evidence, if required.
Validation and detection
- Confirm whether Lana Email Logger is installed and at version 1.0.2 or older.
- Review email log views for unexpected script-like content in subjects.
- Verify the installed plugin includes the sanitization and escaping changes from the cited changeset.
- Check Wordfence or vendor advisories for the current fixed-version guidance.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-3166 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
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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:C/C:L/I:L/A:N3.92.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.