CVE-2026-3953Network attack vector

Unauthenticated script execution via reflected web input

Published May 7, 2026 · Updated May 7, 2026

Reflected XSS in Proticaret E-Commerce 5.0.0 through 6.0.1767.1382 allows remote attackers to execute script via crafted web input. The CNA and vendor bulletin do not identify the affected endpoint, parameter, or encoding failure; they disclose only that attacker-controlled input is reflected into generated HTML without proper neutralization. Exploitation requires no account but does require a user to open the crafted request, after which the script runs in the user's browser under the store site's origin.

CVSS severity8.8
High
EPSS probability0.34%
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 Proticaret E-Commerce 5.0.0 through 6.0.1767.1382 allows remote attackers to execute script via crafted web input. The CNA and vendor bulletin do not identify the affected endpoint, parameter, or encoding failure; they disclose only that attacker-controlled input is reflected into generated HTML without proper neutralization. Exploitation requires no account but does require a user to open the crafted request, after which the script runs in the user's browser under the store site's origin.

The record

CVE
CVE-2026-3953
Published
May 7, 2026
Updated
May 7, 2026
Vendor
Gosoft Yazılım Sanayi ve Ticaret Limited Şirketi
Product
Proticaret E-Commerce
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 7, 2026CVE publishedPublication date reported by the CVE source.
  2. May 7, 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=v5.0.0 <V 6.0.1767.1383

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Gosoft Yazılım Sanayi ve Ticaret Limited Şirketi · Proticaret E-Commerceversion=v5.0.0 <V 6.0.1767.1383

Published CVSS scores

8.8Computer Emergency Response Team of the Republic of TurkeyCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 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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