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CVE Record

CVE-2020-36834: Discount Rules for WooCommerce <= 2.0.2 - Missing Authorization

The Discount Rules for WooCommerce plugin for WordPress is vulnerable to missing authorization via several AJAX actions in versions up to, and including, 2.0.2 due to missing capability checks on various functions. This makes it possible for subscriber-level attackers to execute various actions and perform a wide variety of actions such as modifying rules and saving configurations.

MediumCVSS 6.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A logged-in low-privileged WordPress user, such as a subscriber, could change discount rules or plugin settings in Discount Rules for WooCommerce through unprotected AJAX actions. For ecommerce sites, that could affect pricing, promotions, and order integrity.

Executive priority

Treat this as a moderate ecommerce integrity risk. Prioritize sites where customers can create accounts or where discount rules materially affect revenue, margins, or order handling.

Technical view

CVE-2020-36834 is CWE-862 missing authorization in Flycart Discount Rules for WooCommerce versions up to and including 2.0.2. Several AJAX actions lacked capability checks, allowing authenticated subscriber-level users to perform administrative plugin actions, including modifying rules and saving configurations.

Likely exposure

Exposure is limited to WordPress/WooCommerce sites running Discount Rules for WooCommerce at version 2.0.2 or earlier, with attacker access to any subscriber-level account.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue is network-reachable and low-complexity, but requires authenticated low-privileged WordPress access.

Researcher notes

The bundle identifies missing capability checks across several AJAX actions but does not provide the exact action list or a named fixed release. Avoid assuming exploitation in the wild; focus validation on authenticated misuse and unauthorized configuration changes.

Mitigation direction

  • Inventory WordPress sites for Discount Rules for WooCommerce version 2.0.2 or earlier.
  • Check Flycart, Wordfence, or Patchstack guidance for the confirmed fixed version.
  • Update the plugin through trusted WordPress administration channels when a fixed release is confirmed.
  • Temporarily disable the plugin if exposure is high and update timing is uncertain.
  • Review subscriber account necessity and remove unused low-privilege accounts.

Validation and detection

  • Confirm installed plugin name and version on each WooCommerce site.
  • Review WordPress user lists for subscriber accounts with unnecessary access.
  • Check audit logs for unexpected discount rule or configuration changes.
  • Review web logs for unusual authenticated AJAX activity tied to the plugin.
  • Validate that administrative plugin actions require appropriate capabilities after remediation.
Prepared
Confidence
medium
Sources
4

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-2020-36834 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
Medium
CVSS
6.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
3Source 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
6.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2020-36834Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
flycartDiscount Rules for WooCommerce0unaffected
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.