How severe is CVE-2026-29965?

CVE-2026-29965 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-29965 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29965?

CVE-2026-29965 affects Hsclabs Mailinspector. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-29965?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-29965 have an EU (EUVD) identifier?

Yes. CVE-2026-29965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30782.

When was CVE-2026-29965 published?

CVE-2026-29965 was published on 2026-05-18 and last updated on 2026-06-17.

CVE-2026-29965

CVE-2026-29965 is a medium-severity vulnerability in Hsclabs Mailinspector with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30782
Weakness: CWE-79
Affected product: Hsclabs Mailinspector
Published: 2026-05-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-29965?: 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.
How severe is CVE-2026-29965?: CVE-2026-29965 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-29965 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29965?: CVE-2026-29965 affects Hsclabs Mailinspector. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-29965?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-29965 have an EU (EUVD) identifier?: Yes. CVE-2026-29965 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30782.
When was CVE-2026-29965 published?: CVE-2026-29965 was published on 2026-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hsclabs:mailinspector:5.3.3-7:*:*:*:*:*:*:*

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