Security readout for executives and security teams
Plain-English summary
CVE-2023-50875 is a stored cross-site scripting issue in the WordPress Sensei LMS plugin through version 4.17.0. A lower-privileged user could store unsafe content that later runs in another user's browser. Business risk is mainly account misuse, content tampering, and data exposure within affected WordPress learning sites.
Executive priority
Treat this as a moderate-priority WordPress application risk. It is not reported as actively exploited in the provided sources, but stored XSS can affect administrators and learners once malicious content is saved. Remediate affected internet-facing learning sites during the next standard security update cycle, sooner for high-traffic or sensitive portals.
Technical view
The issue is CWE-79 improper neutralization during page generation in Automattic Sensei LMS. CVSS 3.1 is 6.5 with network attack vector, low complexity, low privileges required, user interaction required, and changed scope. The source bundle identifies affected versions through 4.17.0 only.
Likely exposure
Exposure is limited to WordPress installations using Sensei LMS, Online Courses, Quizzes, & Learning version 4.17.0 or earlier. Sites without this plugin, or with vendor-confirmed unaffected versions, are not indicated as affected by the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation is described by the CVSS vector as network-reachable, low-complexity, requiring low privileges and user interaction. No exploit details are included in the provided sources.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. The bundle does not identify the vulnerable parameter, proof of concept, fixed version, or observed exploitation. Validate exposure by version and role model, then consult vendor advisory details before assigning exploitability beyond the published CVSS vector.
Mitigation direction
- Inventory WordPress sites for the Sensei LMS plugin and installed version.
- Prioritize any installation running Sensei LMS 4.17.0 or earlier.
- Check Automattic or Patchstack guidance for the vendor-confirmed fixed version.
- Upgrade only to a trusted vendor release; do not rely on unverified hotfixes.
- Restrict unnecessary low-privilege authoring access until remediation is complete.
Validation and detection
- Confirm whether each WordPress site has Sensei LMS installed.
- Record exact plugin versions and compare against the affected range through 4.17.0.
- Review vendor or Patchstack advisories for fixed-version confirmation.
- Check application logs for unusual content changes by low-privilege users.
- Verify remediation by confirming the plugin is no longer in the affected range.
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-2023-50875 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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.