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CVE Record

CVE-2021-36914: WordPress CalderaWP License Manager plugin <= 1.2.11 - Cross-Site Request Forgery (CSRF) vulnerability leading to Reflected Cross-Site Scripting (XSS)

Cross-Site Request Forgery (CSRF) vulnerability leading to Reflected Cross-Site Scripting (XSS) in CalderaWP License Manager (WordPress plugin) <= 1.2.11.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This affects WordPress sites running CalderaWP License Manager through version 1.2.11. A successful attack could abuse a user interaction to trigger reflected script execution, causing limited data exposure or page manipulation. The provided sources do not show CISA KEV listing or active exploitation evidence.

Executive priority

Treat this as a moderate WordPress hygiene issue. It is not presented as actively exploited, but affected internet-facing sites should be remediated because XSS can harm trust, sessions, and content integrity.

Technical view

The vulnerability combines CSRF with reflected XSS in CalderaWP License Manager <= 1.2.11. CVSS 3.1 is 6.1: network reachable, low complexity, no attacker privileges, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.

Likely exposure

Exposure is limited to WordPress sites with the CalderaWP License Manager plugin installed at version 1.2.11 or earlier. Sites not using this plugin are not indicated as affected by the supplied sources.

Exploitation context

The CVSS vector requires user interaction but no attacker authentication. The source bundle does not provide exploit details, public exploitation confirmation, or KEV evidence, so exploitation status should be treated as unconfirmed.

Researcher notes

Evidence is limited to the CVE metadata and linked project/Patchstack references. Do not assume exploit availability, fixed version, or broad impact beyond CalderaWP License Manager <= 1.2.11 without additional vendor confirmation.

Mitigation direction

  • Inventory WordPress sites for the CalderaWP License Manager plugin.
  • Identify any installations running version 1.2.11 or earlier.
  • Check vendor and Patchstack guidance for fixed versions or recommended compensating controls.
  • Remove or disable the plugin where it is unnecessary.
  • Prioritize updates or replacement for internet-facing WordPress sites.

Validation and detection

  • Confirm plugin presence and version through WordPress administration or asset inventory.
  • Review web application security findings for reflected XSS tied to this plugin.
  • Check whether affected sites expose public WordPress workflows involving this plugin.
  • Verify remediation by confirming the plugin is updated, disabled, removed, or otherwise addressed.
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-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
cwe · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-2021-36914 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
6.1 (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

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
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2021-36914Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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
Desertsnowman, Shelob9CalderaWP License Manager (WordPress plugin)<= 1.2.11Listed
Weakness

CWE details

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