CVE-2025-5377 Astun Technology iShare Maps historic1.asp cross site scripting

Medium 5.3 Published Updated

Remote attackers can execute arbitrary scripts via the Zoom parameter in historic1.asp, potentially compromising user sessions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-5377?

CVE-2025-5377 is a medium-severity cross-site scripting vulnerability in Astun Technology iShare Maps, published on 31 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in Astun Technology iShare Maps 5.4.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file historic1.asp. The manipulation of the argument Zoom leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-5377?

It affects 1 product.

Products include Astuntechnology Ishare Maps.

How do I fix CVE-2025-5377?

No fix has been published for CVE-2025-5377 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-5377 being exploited?

There is no known exploitation of CVE-2025-5377 in the wild and no public exploit code.

Sources

Also known as GHSA-jw8j-47wr-pmmj.

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