CVE-2025-5378Public exploitNetwork attack vector

Reflected XSS via unescaped atTxtStreet response

Published May 31, 2025 · Updated Jun 2, 2025

Reflected XSS in Astun Technology iShare Maps 5.4.0 allows remote attackers to execute JavaScript via the atTxtStreet parameter. The mycouncil2.aspx page inserts attacker-controlled atTxtStreet input into its response without neutralizing executable markup. Exploitation requires a user to follow a crafted request, after which script runs in that user's browser under the portal's origin.

CVSS severity5.3
Medium
EPSS probability0.36%
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 Astun Technology iShare Maps 5.4.0 allows remote attackers to execute JavaScript via the atTxtStreet parameter. The mycouncil2.aspx page inserts attacker-controlled atTxtStreet input into its response without neutralizing executable markup. Exploitation requires a user to follow a crafted request, after which script runs in that user's browser under the portal's origin.

The record

CVE
CVE-2025-5378
Published
May 31, 2025
Updated
Jun 2, 2025
Vendor
Astun Technology
Product
iShare Maps
Classifications
CWE-79, CWE-94, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 2, 2025Record 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=5.4.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Astun Technology · iShare Mapsversion=5.4.0

Published CVSS scores

5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA: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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1203Exploitation for Client Execution

Public exploit references

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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