Security readout for executives and security teams
Plain-English summary
CVE-2023-0236 affects the Tutor LMS WordPress plugin before 2.0.10. A crafted link could make a logged-in high-privilege user, such as an administrator, run attacker-supplied script in their browser. The issue requires user interaction, but could expose session data or enable actions in the victim’s context.
Executive priority
Schedule remediation in the normal vulnerability cycle, faster for business-critical learning portals. The issue is not marked KEV, but administrator-targeted XSS can create meaningful account and content-management risk.
Technical view
The plugin failed to sanitize and escape the reset_key and user_id parameters before reflecting them into HTML attributes, creating reflected cross-site scripting. The CVSS 3.1 score is 6.1 with network access, low attack complexity, no privileges required, user interaction required, changed scope, and low confidentiality/integrity impact.
Likely exposure
Exposure is limited to WordPress sites running Tutor LMS versions before 2.0.10. Risk is higher where administrators or course managers use the affected site and could be induced to open malicious links.
Exploitation context
The source bundle lists a WPScan reference tagged exploit, but KEV is false and no supplied source states active exploitation. Treat this as a publicly documented XSS issue, not confirmed in-the-wild exploitation.
Researcher notes
Evidence identifies reflected XSS in reset_key and user_id attribute output. The supplied affected metadata is sparse, but the title and description consistently identify Tutor LMS before 2.0.10. No exploit mechanics or active exploitation evidence are provided.
Mitigation direction
- Upgrade Tutor LMS to version 2.0.10 or later.
- Check vendor guidance before applying any workaround not named in sources.
- Restrict administrator sessions to trusted devices and networks where practical.
- Prioritize sites with active admin users or public learner access.
Validation and detection
- Inventory WordPress sites using Tutor LMS and record installed versions.
- Confirm affected installations are below 2.0.10.
- Review security monitoring for suspicious requests involving reset_key or user_id parameters.
- Verify the upgraded plugin remains active and site functionality still works.
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-2023-0236 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/503835db-426d-4b49-85f7-c9a20d6ff5b8CVE reference · exploit, vdb-entry
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.