CVE-2025-13793Public exploitNetwork attack vector

Cross-site scripting via unescaped Error parameter

Published Nov 30, 2025 · Updated Nov 30, 2025

Cross-site scripting in Winston D'Souza Ecommerce Website allows remote attackers to alter rendered page content via the Error parameter. The signup form in /includes/header_menu.php inserts the Error GET value directly into email-address HTML without encoding or validation. The affected commit accepts unauthenticated requests, but a user must load the crafted response before attacker-supplied script runs in that browser.

CVSS severity4.3
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Winston D'Souza Ecommerce Website allows remote attackers to alter rendered page content via the Error parameter. The signup form in /includes/header_menu.php inserts the Error GET value directly into email-address HTML without encoding or validation. The affected commit accepts unauthenticated requests, but a user must load the crafted response before attacker-supplied script runs in that browser.

The record

CVE
CVE-2025-13793
Published
Nov 30, 2025
Updated
Nov 30, 2025
Vendor
Winston D'Souza
Product
Ecommerce Website
Classifications
CWE-79, CWE-94, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 30, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 30, 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=87734c043269baac0b4cfe9664784462138b1b2e

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Winston D'Souza · Ecommerce Websiteversion=87734c043269baac0b4cfe9664784462138b1b2e

Published CVSS scores

4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/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
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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