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CVE Record

CVE-2023-36515: WordPress LearnPress plugin <= 4.2.3 - Unauthenticated Broken Access Control vulnerability

Missing Authorization vulnerability in ThimPress LearnPress.This issue affects LearnPress: from n/a through 4.2.3.

HighCVSS 7.3Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2023-36515 is a high-severity access-control flaw in the WordPress LearnPress plugin. Public sites using LearnPress version 4.2.3 or earlier may expose course-related functionality without proper authorization. The provided sources do not confirm active exploitation or name a fixed version.

Executive priority

Prioritize this for public WordPress sites that depend on LearnPress. The issue is remotely reachable without login, but the available evidence does not show confirmed exploitation or a named fixed version.

Technical view

The issue is reported as CWE-862 Missing Authorization in ThimPress LearnPress through 4.2.3. CVSS 3.1 is 7.3, network-exploitable, low complexity, unauthenticated, and no user interaction. The stated impact is low confidentiality, integrity, and availability loss.

Likely exposure

Exposure is limited to WordPress installations running the ThimPress LearnPress plugin at version 4.2.3 or earlier. Internet-facing education, training, or course sites using this plugin are the most likely affected assets.

Exploitation context

The source bundle marks KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates unauthenticated remote reachability, but the bundle does not include endpoint details, proof-of-concept status, or observed attacks.

Researcher notes

Evidence is incomplete: no endpoint, patch version, exploit status, or detailed technical advisory is provided. Treat the issue as an authorization bypass risk and validate only through authorized, non-destructive version and configuration checks.

Mitigation direction

  • Inventory all WordPress sites for the LearnPress plugin.
  • Check ThimPress and Patchstack guidance for the corrected release.
  • Upgrade or disable affected LearnPress installations when vendor guidance supports it.
  • Remove unused LearnPress deployments and stale plugin copies.
  • Apply WAF monitoring for unusual unauthenticated LearnPress activity.

Validation and detection

  • Confirm whether package name learnpress is installed on each WordPress site.
  • Verify installed LearnPress versions and flag 4.2.3 or earlier.
  • Review WAF and web logs for abnormal unauthenticated LearnPress requests.
  • Document whether affected sites are public-facing or business-critical.
  • Track remediation status against vendor or Patchstack guidance.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookup
cve · low confidence lookup

CVE-2023-36515 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
7.3CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.3High
CVSS 3.1 vector shape for CVE-2023-36515Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ThimPressLearnPresslearnpress, n/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.