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CVE-2026-3251— XSS in Webremium's Mezunum Satiyorum

Quick assessment

Affected
Webremium Istanbul Web Design Mezunum Satiyorum
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Webremium Mezunum Satiyorum是土耳其Webremium公司的一个教育类产品 Webremium Mezunum Satiyorum 1.2.504版本及之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间输入中和不当，可能允许存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.25% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
Webremium Istanbul Web Design Mezunum Satiyorum 1.2.504≤ 10072026 affected
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I. Basic Information for CVE-2026-3251

Vulnerability Information
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Vulnerability Title
XSS in Webremium's Mezunum Satiyorum
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum allows Stored XSS. This issue affects Mezunum Satiyorum: from 1.2.504 through 10072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Webremium Mezunum Satiyorum 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Webremium Mezunum Satiyorum是土耳其Webremium公司的一个教育类产品 Webremium Mezunum Satiyorum 1.2.504版本及之前版本存在跨站脚本漏洞，该漏洞源于网页生成期间输入中和不当，可能允许存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Webremium Istanbul Web Design Mezunum Satiyorum 1.2.504 ~ 10072026 -

II. Public POCs for CVE-2026-3251

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III. Intelligence Information for CVE-2026-3251

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Vendor Advisories for CVE-2026-3251 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-3251

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