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    CVE-2026-29964

    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.

    Published:May 18, 2026
    Last Modified:May 19, 2026
    EPS:May 18, 2026
    EPSS Score:0.00036
    CVSS Score:6.1

    Affected Products

    Vendor
    Hsclabs
    Product
    Mailinspector

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-29965 (CVSS 6.1) — HSC MailInspector 5.3.3-7 is vulnerable to Cross Site Scripting (XSS) in the /police/WarningUrlPage.php endpoi…
    CVE-2026-29963 (CVSS 7.5) — HSC MailInspector 5.3.3-7 has a Path Traversal vulnerability due to improper validation of user-supplied input…
    CVE-2026-29962 (CVSS 7.5) — HSC MailInspector v5.3.3-7 contains a Local File Inclusion (LFI) vulnerability caused by improper control of u…
    CVE-2024-32369 (CVSS 4.3) — SQL Injection vulnerability in HSC Cybersecurity HC Mailinspector 5.2.17-3 through 5.2.18 allows a remote atta…
    CVE-2024-32370 (CVSS 9.8) — An issue in HSC Cybersecurity HC Mailinspector 5.2.17-3 through 5.2.18 allows a remote attacker to obtain sens…
    CVE-2024-32371 (CVSS 7.5) — An issue in HSC Cybersecurity HC Mailinspector 5.2.17-3 through 5.2.18 allows a regular user account to escala…
    CVE-2024-34472 (CVSS 5.5) — An issue was discovered in HSC Mailinspector 5.2.17-3 through v.5.2.18. An authenticated blind SQL injection v…
    CVE-2024-34471 (CVSS 5.4) — An issue was discovered in HSC Mailinspector 5.2.17-3. A Path Traversal vulnerability (resulting in file delet…
    CVE-2024-34470 (CVSS 8.6) — An issue was discovered in HSC Mailinspector 5.2.17-3 through v.5.2.18. An Unauthenticated Path Traversal vuln…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High