Security readout for executives and security teams
Plain-English summary
Tutor LMS for WordPress versions up to 3.9.5 can expose coupon details to low-privileged logged-in users. The data may include coupon codes, discounts, usage statistics, and course or bundle applicability. This is a business risk for revenue protection and promotion integrity, not a full site takeover based on current sources.
Executive priority
Prioritize for e-learning and commerce sites that rely on coupons or paid courses. This is moderate urgency: it can leak promotional and usage data and affect revenue controls, but current sources do not indicate site takeover, data destruction, or confirmed active exploitation.
Technical view
CVE-2026-1371 is a CWE-200 information disclosure issue in Tutor LMS. The reported cause is missing authorization in ajax_coupon_details(): nonce validation occurs, but user capability checks are absent. Sources describe exploitation by authenticated Subscriber-level users and above. The CVSS vector in the bundle conflicts by listing PR:N, so privilege requirements need vendor confirmation.
Likely exposure
Exposure is likely on WordPress sites running Tutor LMS up to and including 3.9.5, especially sites with open registration, many learners, or Subscriber accounts. The disclosed information is coupon-related business data, not credentials or server-side secrets according to provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The vulnerability appears low-complexity once an attacker has a qualifying account and a valid nonce. Do not treat this as unauthenticated active exploitation unless new vendor, KEV, or threat-intelligence evidence confirms it.
Researcher notes
Key issue: nonce validation is not a substitute for authorization. The relevant function is ajax_coupon_details() in ecommerce/CouponController.php. The WordPress changeset appears security-relevant, but the provided sources do not clearly name a fixed release version. Treat remediation versioning as requiring vendor confirmation.
Mitigation direction
- Check vendor and Wordfence guidance for the fixed Tutor LMS release.
- Update Tutor LMS beyond affected versions when an official fixed version is available.
- Limit untrusted user registration where business impact is significant.
- Review coupon campaigns for unintended exposure or misuse.
- Consider disabling affected coupon functionality until patched, if business-acceptable.
Validation and detection
- Inventory WordPress sites using Tutor LMS.
- Confirm whether installed Tutor LMS version is 3.9.5 or earlier.
- Review the referenced CouponController code for capability checks in ajax_coupon_details().
- Compare installed plugin code with the referenced WordPress changeset.
- Assess whether public or low-trust Subscriber accounts are enabled.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2026-1371 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7f5c5f64-a864-4ce1-9080-19f7c4418307?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/tutor/tags/3.9.5/ecommerce/CouponController.php#L106CVE reference
- https://plugins.trac.wordpress.org/changeset/3448615/tutor/trunk/ecommerce/CouponController.php?contextall=1&old=3422766&old_path=%2Ftutor%2Ftrunk%2Fecommerce%2FCouponController.phpCVE reference
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.