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Response snapshot Nov 1, 2026, 19:41 UTC

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VulnerabilityCVE-2026-118638

The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to...

The Mapster WP Maps WordPress plugin before 2.0.

At a glance

Exploited
Not known
Severity
7.5 High (CVSS 3.1)
Chance of exploitation
Not estimated
Sources
1 source

What to do

Check the vendor advisory for affected versions and fixes.

Read NVD CVE-2026-118638 (opens a new tab)

What happened

The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to overwrite the title of arbitrary posts, create arbitrary published posts, and overwrite the Mapster WP Maps WordPress plugin before 2.0.6's stored settings.

Scores and how they were measured

CVSS base severity

7.5

Version 3.1As of

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

Measurement source (opens a new tab)

How bad it is if exploited. Not a prediction of exploitation or proof you are exposed.

EPSS probability

Not available

A model's estimate of exploitation in the next 30 days, not certainty or your own risk.

Related technology

Sources

  1. Primary source

    NVD CVE-2026-118638 (opens a new tab)

    NVD record: description, CVSS (the CNA score is preferred), affected products, and publication date. Not evidence of exploitation.

    Published Checked

  2. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  3. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

  4. Primary source

    NVD CVE API 2.0 (opens a new tab)

    The NVD API page that supplied this CVE record.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, November 1). The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to... (CVE-2026-118638). https://kevwire.com/record/CVE-2026-118638

MLA

"The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to... (CVE-2026-118638)." KEVWire, 1 Nov. 2026, kevwire.com/record/CVE-2026-118638.

Chicago

KEVWire. "The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to... (CVE-2026-118638)." Last modified November 1, 2026. https://kevwire.com/record/CVE-2026-118638.

Evidence summary (plain text)

The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to... (Oct 31, 2026).
The Mapster WP Maps WordPress plugin before 2.0.6 does not perform any authorization check on a REST API route that writes post data, allowing unauthenticated attackers to overwrite the title of arbitrary posts, create arbitrary published posts, and overwrite the Mapster WP Maps WordPress plugin before 2.0.6's stored settings.
CVSS 7.5 (version 3.1; evidence as of Nov 1, 2026; https://nvd.nist.gov/vuln/detail/CVE-2026-118638).
Sources:
NVD CVE-2026-118638: https://nvd.nist.gov/vuln/detail/CVE-2026-118638
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-11-01T18:06:00.834Z&lastModEndDate=2026-11-01T19:40:58.037Z&resultsPerPage=500&startIndex=0
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-11-01T17:30:57.256Z&lastModEndDate=2026-11-01T19:05:58.151Z&resultsPerPage=500&startIndex=0
NVD CVE API 2.0: https://services.nvd.nist.gov/rest/json/cves/2.0?lastModStartDate=2026-11-01T16:25:59.497Z&lastModEndDate=2026-11-01T18:30:56.001Z&resultsPerPage=500&startIndex=0
Record ID: CVE-2026-118638.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Nov 1, 2026, 19:40 UTC. Ingestion is not an independent editorial investigation.

NVD status: Received. Publication in the NVD is not evidence of exploitation.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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Record details

Record detail