Security readout for executives and security teams
Plain-English summary
A vulnerable WP Mail Log plugin can store malicious script content from email data and later run it in a user’s browser when the affected log page is viewed. This is high risk for WordPress sites using versions up to and including 1.1.1, but the provided sources do not show confirmed active exploitation.
Executive priority
Treat as a high-priority WordPress plugin exposure. Prioritize internet-facing WordPress sites and environments where administrators regularly inspect mail logs. If the plugin is unused or no fixed release is confirmed, removal is the lowest-risk path.
Technical view
CVE-2023-3088 is a stored cross-site scripting issue in WP Mail Log for WordPress through version 1.1.1. Insufficient input sanitization and output escaping of email contents allow unauthenticated attackers to inject scripts that execute when an injected page is accessed. CVSS 3.1 score is 7.2, CWE-79.
Likely exposure
Exposure is limited to WordPress installations with the WP Mail Log plugin installed at version 1.1.1 or earlier. Risk is higher where the site receives untrusted email content that is logged and later viewed in WordPress administration or plugin pages.
Exploitation context
The source bundle marks CISA KEV as false and provides no cited evidence of active exploitation. The issue is remotely reachable and unauthenticated according to the CVE description, but practical impact depends on logged email content being rendered to a user.
Researcher notes
The provided record identifies stored XSS via email contents, with unauthenticated injection and script execution on affected pages. The affected data lists WP Mail Log through 1.1.1, but does not name a fixed version. The WordPress changeset is relevant remediation evidence, but source details are incomplete here.
Mitigation direction
- Check vendor and WordPress plugin guidance for a fixed release beyond 1.1.1.
- Update WP Mail Log if a supported fixed version is available.
- Disable or remove the plugin if no fixed version is confirmed.
- Restrict access to mail log views to trusted administrators only.
- Review logged email content handling and output escaping in custom extensions.
Validation and detection
- Inventory WordPress sites for the WP Mail Log plugin.
- Confirm installed plugin versions are greater than 1.1.1 or otherwise vendor-fixed.
- Review whether logged emails render HTML or script-like content in plugin pages.
- Check security logs for suspicious email content targeting mail log views.
- Verify remediation against the CVE Program and Wordfence advisory.
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-2023-3088 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.