LiveActive security incident?Get immediate response
CVE Record

CVE-2020-36759: Woody code snippets <= 2.3.9 - Cross-Site Request Forgery Bypass

The Woody code snippets plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.3.9. This is due to missing or incorrect nonce validation on the runActions() function. This makes it possible for unauthenticated attackers to activate and deactivate snippets via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

MediumCVSS 4.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-36759 affects the Woody code snippets WordPress plugin through version 2.3.9. An attacker could trick a logged-in administrator into clicking a crafted link or taking another action, causing snippets to be activated or deactivated without proper request validation. The impact is limited to integrity changes, but it matters on sites where snippets control business-critical behavior.

Executive priority

Treat this as a moderate-priority WordPress hygiene issue. It is not reported as actively exploited, but it can alter site behavior if an administrator is tricked. Prioritize externally managed or revenue-impacting WordPress sites using this plugin.

Technical view

The flaw is a CSRF issue caused by missing or incorrect nonce validation in runActions(). The reported effect is unauthorized activation or deactivation of snippets when an administrator is induced to submit a forged request. CVSS is 4.3, network reachable, low complexity, no privileges required, and user interaction required.

Likely exposure

Exposure is limited to WordPress sites running Woody Code Snippets, also listed as Insert PHP, CSS, JS, and Header/Footer Scripts, at version 2.3.9 or earlier. Sites without the plugin, or with a confirmed fixed vendor-supported version, are not indicated as affected by the provided sources.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires social engineering a site administrator, so risk depends on admin exposure and the operational importance of enabled snippets.

Researcher notes

The source bundle describes affected versions up to 2.3.9, while the affected metadata shown is sparse and internally unhelpful. Analysis should rely on the narrative description, Wordfence advisory, Nintechnet CSRF coverage, and the WordPress plugin changeset rather than inferring broader impact.

Mitigation direction

  • Inventory WordPress sites for the Woody code snippets plugin and version.
  • Update to a vendor-supported release newer than 2.3.9 when available.
  • Check Wordfence and vendor guidance for the confirmed fixed version.
  • Disable or remove the plugin where it is not operationally required.
  • Review active snippets and disable nonessential snippets until remediation is complete.

Validation and detection

  • Confirm whether any WordPress instance runs plugin version 2.3.9 or earlier.
  • Review administrator activity for unexpected snippet activation or deactivation.
  • Check whether snippet changes align with approved maintenance records.
  • Verify the deployed plugin version against vendor or Wordfence advisory data.
  • After updating, confirm snippet management actions use proper nonce validation.
Prepared
Confidence
medium
Sources
6

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-352: 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 lookup
cve · low confidence lookup

CVE-2020-36759 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
4.3 (3.1)
Known Exploited
No
Published

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

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
10Source 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
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2020-36759Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
themeisleWoody Code Snippets – Insert PHP, CSS, JS, and Header/Footer Scripts0unaffected
Weakness

CWE details

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

CWE-352 · source CWE mapping

Cross-Site Request Forgery (CSRF)

Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.