CVE-2021-36870Network attack vector

Authenticated stored script execution via unneutralized map inputs

Published Sep 9, 2021 · Updated Apr 28, 2026

Stored XSS in Code Cabin Pty Ltd WP Go Maps 8.1.12 and earlier allows remote authenticated users to execute script through crafted map data. The public record identifies dataset_name, wpgmza_gdpr_retention_purpose, wpgmza_gdpr_company_name, name, polyname, and address as persisted inputs but does not disclose the affected handlers or exact missing encoding operation. Administrative access is required, and execution is confined to WordPress pages that render an injected value in another browser.

CVSS severity5.4
Medium
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Code Cabin Pty Ltd WP Go Maps 8.1.12 and earlier allows remote authenticated users to execute script through crafted map data. The public record identifies dataset_name, wpgmza_gdpr_retention_purpose, wpgmza_gdpr_company_name, name, polyname, and address as persisted inputs but does not disclose the affected handlers or exact missing encoding operation. Administrative access is required, and execution is confined to WordPress pages that render an injected value in another browser.

The record

CVE
CVE-2021-36870
Published
Sep 9, 2021
Updated
Apr 28, 2026
Vendor
Code Cabin Pty Ltd
Product
WP Go Maps
Classifications
CWE-79, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.1.12 <=8.1.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Code Cabin Pty Ltd · WP Go Mapsversion=8.1.12 <=8.1.12

Published CVSS scores

5.5Patchstack CNACVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
3.5NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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