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PatchSiren cyber security CVE debrief

CVE-2026-111397 PT Norther Lights Production CVE debrief

The CVE-2026-111397 vulnerability in the WordPress MapSVG plugin allows for sensitive data exposure due to a missing authorization issue. This issue affects the MapSVG plugin from version n/a through 8.16.1. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Defenders should assess their exposure, verify the plugin version in use, review systems for potential exposure of sensitive data, and prioritize updating the plugin to a version beyond 8.16.1 if possible. The evidence for this vulnerability comes from the CVE Program record and the NVD vulnerability detail page, providing official CVE metadata and a detailed assessment of the vulnerability. To address this, it

Vendor
PT Norther Lights Production
Product
MapSVG
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-16
Advisory published
2026-10-16
Advisory updated
2026-10-16

Who should care

Defenders responsible for WordPress installations with the MapSVG plugin should assess their exposure and verify the plugin version in use. They should also review their systems for potential exposure of sensitive data and prioritize updating the plugin to a version beyond 8.16.1 if possible.

Why it matters

The CVE-2026-111397 vulnerability in the WordPress MapSVG plugin allows for sensitive data exposure due to a missing authorization issue, affecting versions from n/a through 8.16.1. Defenders should prioritize verifying the plugin version and reviewing systems for potential exposure.

  • Defenders need to verify the MapSVG plugin version and update if necessary to prevent sensitive data exposure.
  • Systems with the vulnerable plugin may require review for potential data exposure.
  • Defensive priority is medium due to the CVSS score of 5.3.

Technical summary

The CVE-2026-111397 vulnerability in the WordPress MapSVG plugin is caused by a missing authorization issue, allowing for sensitive data exposure. The vulnerability affects the MapSVG plugin from version n/a through 8.16.1 and has a CVSS score of 5.3 with a severity of MEDIUM.

Defensive priority

Defenders should prioritize verifying the version of the MapSVG plugin in use and ensuring it is updated to a version beyond 8.16.1 if possible. They should also review their systems for any potential exposure of sensitive data.

Recommended defensive actions

  • Verify the version of the MapSVG plugin in use and update to a version beyond 8.16.1 if possible.
  • Review systems for potential exposure of sensitive data.
  • Monitor for any suspicious activity related to the MapSVG plugin.

Evidence notes

The evidence for this vulnerability comes from the CVE Program record and the NVD vulnerability detail page. The CVE Program record provides the official CVE metadata, while the NVD page offers a detailed assessment of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-111397 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-111397

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

  • CVE-2026-111397 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-111397

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

Supplemental references

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.