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PatchSiren cyber security CVE debrief

CVE-2026-59513 masteriyo CVE debrief

A Cross Site Scripting (XSS) vulnerability exists in Masteriyo - LMS plugin versions up to 2.3.0. This CVE was published on 2026-07-23T12:18:31.983Z and last modified on 2026-10-24T13:10:00.147Z.

Vendor
masteriyo
Product
Masteriyo - LMS
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-23
Original CVE updated
2026-10-24
Advisory published
2026-07-23
Advisory updated
2026-10-24

Who should care

Defenders responsible for Masteriyo - LMS plugin installations should assess exposure and verify the effectiveness of current security controls.

Why it matters

A Cross Site Scripting (XSS) vulnerability exists in Masteriyo - LMS plugin versions up to 2.3.0, requiring defenders to verify exposure and assess security controls.

  • Defenders should verify exposure of Masteriyo - LMS plugin versions up to 2.3.0
  • Assess the effectiveness of current security controls against XSS attacks
  • Monitor for potential XSS attacks on Masteriyo - LMS plugin installations

Technical summary

A Cross Site Scripting (XSS) vulnerability exists in Masteriyo - LMS plugin versions up to 2.3.0. The CVE record and NVD entry provide limited information about the vulnerability.

Defensive priority

Defenders should prioritize verifying exposure of Masteriyo - LMS plugin versions up to 2.3.0 and assessing the effectiveness of current security controls.

Recommended defensive actions

  • Verify Masteriyo - LMS plugin versions up to 2.3.0 are not in use
  • Assess the effectiveness of current security controls
  • Monitor for potential XSS attacks

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability. Further verification is required to determine the extent of exposure and potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-59513 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-59513

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-59513 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-59513

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.