Vulnerability · 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…
Published May 18, 2026 · catalog updated Oct 19, 2026 · the affected product
Check if you run it
No confirmed exploitation is on record for CVE-2026-29965. EPSS is 0.34%. Act only if a listed version of the affected product is installed.
Gaps on this record
- No plain product name is stored. The page cannot tell you which product to check.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.34%
- Remediation
- Advisory link
- Affected products
- cpe hsclabs/mailinspector
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe hsclabs/mailinspector5.3.3-7
How to fix CVE-2026-29965
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-29965. EPSS is 0.34%. Act only if a listed version of the affected product is installed.
Which versions are affected?
Compare what you have installed with 5.3.3-7. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS). EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
May 18, 2026 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Oct 19, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2026-29965
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-29965
30-day exploitation probability 0.3%
first.org - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.