CVE-2026-29965

MEDIUMNVD 6.16.1—

6.1

HSC MailInspector 5.3.3-7 is vulnerable to Cross Site Scripting (XSS) in the /police/WarningUrlPage.php endpoint due to improper neutralization of user-supplied input that uses alternate or obfuscated JavaScript syntax.

CVSS v3: 6.1
EG Score: 6.1(high)
EPSS: 8.6%
KEV: Not listed

Published

May 18, 2026

Last Modified

May 19, 2026

References (3)

cve@mitrehttps://github.com/sql3t0/cve-disclosures
cve@mitrehttps://github.com/sql3t0/cve-disclosures/blob/main/04_-_CVE-2026-29965_XSS.md
cve@mitrehttps://hsclabs.com/pt-br/mailinspector/

Vendor Advisories for CVE-2026-29965(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-qrv4-g78c-hphg
GitHub Security AdvisoriesMedium
HSC MailInspector 5.3.3-7 is vulnerable to Cross Site Scripting (XSS) in the /police...

Frequently asked(5)

What is CVE-2026-29965?

CVE-2026-29965 is a medium vulnerability published on May 18, 2026. HSC MailInspector 5.3.3-7 is vulnerable to Cross Site Scripting (XSS) in the /police/WarningUrlPage.php endpoint due to improper neutralization of user-supplied input that uses alternate or obfuscated JavaScript syntax.

When was CVE-2026-29965 disclosed?

CVE-2026-29965 was first published in the National Vulnerability Database on May 18, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-29965 actively exploited?

CVE-2026-29965 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-29965?

CVE-2026-29965 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2026-29965?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-29965, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-29965

📅 Published

🔄 Last Modified

🔗 References (3)

📣 Vendor Advisories for CVE-2026-29965(1)

❓ Frequently asked(5)