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PatchSiren cyber security CVE debrief

CVE-2026-111405 PT Norther Lights Production CVE debrief

A Cross Site Scripting (XSS) vulnerability exists in the WordPress MapSVG plugin versions up to 8.16.1. This issue allows for Stored XSS, potentially impacting users who interact with affected maps. The vulnerability is caused by improper neutralization of input during web page generation. Defenders responsible for WordPress installations using the MapSVG plugin should assess exposure and prioritize updates to mitigate this vulnerability. The CVE record and source item provide details on the vulnerability, including its impact on the MapSVG plugin.

Vendor
PT Norther Lights Production
Product
MapSVG
CVSS
MEDIUM 6.5
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 using the MapSVG plugin should assess exposure and prioritize updates to mitigate this vulnerability.

Why it matters

CVE-2026-111405 is a Cross Site Scripting (XSS) vulnerability in the WordPress MapSVG plugin versions up to 8.16.1. Defenders should prioritize updates to mitigate potential Stored XSS attacks.

  • Potential for Stored XSS attacks on users interacting with affected maps.
  • Need for defenders to verify and update vulnerable MapSVG plugin versions.
  • Possible impact on user interactions with affected maps, requiring monitoring and review.

Technical summary

The WordPress MapSVG plugin versions up to 8.16.1 are vulnerable to Cross Site Scripting (XSS). This issue allows for Stored XSS, potentially impacting users who interact with affected maps. The vulnerability is caused by improper neutralization of input during web page generation. Defenders should prioritize updating the MapSVG plugin to version 8.16.2 or later to mitigate this vulnerability. The update should be applied to all affected systems to prevent potential XSS attacks.

Defensive priority

Defenders should prioritize updating the MapSVG plugin to version 8.16.2 or later to mitigate this vulnerability.

Recommended defensive actions

  • Update the MapSVG plugin to version 8.16.2 or later.
  • Review and monitor user interactions with affected maps for potential XSS activity.
  • Consider implementing additional security measures for WordPress installations using the MapSVG plugin.

Evidence notes

The CVE record and source item provide details on the vulnerability, including its impact on the MapSVG plugin. However, additional information on potential exploits or affected systems is limited.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-111405 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-111405

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

  • CVE-2026-111405 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-111405

    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.