CVE-2026-66604Network attack vector

Unauthenticated reflected XSS in REST authentication requests

Published Aug 20, 2026 · Updated Aug 20, 2026

Reflected XSS in AyeCode Ltd GeoDirectory 2.8.173 and earlier allows remote attackers to run script in a visitor's browser. The upstream changelog identifies added validation in REST authentication requests, but public sources disclose no endpoint, input parameter, or rendering sink. Exploitation requires no account but does require a visitor to open affected output, allowing script execution in the site's origin.

CVSS severity7.1
High
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in AyeCode Ltd GeoDirectory 2.8.173 and earlier allows remote attackers to run script in a visitor's browser. The upstream changelog identifies added validation in REST authentication requests, but public sources disclose no endpoint, input parameter, or rendering sink. Exploitation requires no account but does require a visitor to open affected output, allowing script execution in the site's origin.

The record

CVE
CVE-2026-66604
Published
Aug 20, 2026
Updated
Aug 20, 2026
Vendor
AyeCode Ltd
Product
GeoDirectory
Classifications
CWE-79, CAPEC-591, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 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=n/a <=2.8.173 changes=[{"at":"2.8.174","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AyeCode Ltd · GeoDirectoryversion=n/a <=2.8.173 changes=[{"at":"2.8.174","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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