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CVE-2026-29964

Quick assessment

Affected
n/a n/a
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.

HSC MailInspector是巴西HSC公司的一个邮件安全分析与过滤系统。 HSC MailInspector v5.3.3-7版本存在跨站脚本漏洞，该漏洞源于端点/tap/tap.php中用户控制输入使用替代或混淆JavaScript语法未充分中和，可能导致跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.24% · P16

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-29964

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
HSC MailInspector v5.3.3-7 contains a Cross-Site Scripting (XSS) vulnerability in the /tap/tap.php endpoint due to improper neutralization of user-controlled input using alternate or obfuscated JavaScript syntax. The endpoint reflects unsanitized user input in HTTP responses without adequate output encoding, allowing a remote attacker to execute arbitrary JavaScript code in the context of a victim's browser.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
HSC MailInspector 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HSC MailInspector是巴西HSC公司的一个邮件安全分析与过滤系统。 HSC MailInspector v5.3.3-7版本存在跨站脚本漏洞，该漏洞源于端点/tap/tap.php中用户控制输入使用替代或混淆JavaScript语法未充分中和，可能导致跨站脚本攻击。
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
- n/a n/a -

II. Public POCs for CVE-2026-29964

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III. Intelligence Information for CVE-2026-29964

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Proof of Concept for CVE-2026-29964 (1)

News Coverage for CVE-2026-29964 (1)

Vendor Pages for CVE-2026-29964 (1)

Same Patch Batch · n/a · 2026-05-18 · 13 CVEs total

CVE-2026-8836 9.8 CRITICAL lwIP snmpv3 USM snmp_msg.c snmp_parse_inbound_frame stack-based overflow
CVE-2026-36438 5.3 MEDIUM Intelbras VIP-1230-D-G4 安全漏洞
CVE-2026-26462 Offline Hospital Management System 安全漏洞
CVE-2026-39079 PrestaShop UPS Shipping 信息泄露漏洞
CVE-2025-57282 ngrok 命令注入漏洞
CVE-2025-56352 tinyMQTT 资源管理错误漏洞
CVE-2023-24215 NOVUS Automation AirGate 4G firmware 安全漏洞
CVE-2026-41085 Thermo Fisher Scientific Torrent Suite Dx 安全漏洞
CVE-2026-38719 OpENer 缓冲区错误漏洞
CVE-2026-29962 HSC MailInspector 安全漏洞
CVE-2026-29965 HSC MailInspector 跨站脚本漏洞
CVE-2026-29963 HSC MailInspector 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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