CVE-2026-29965
HSC MailInspector XSS
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.
INFO
Published Date :
May 18, 2026, 6:17 p.m.
Last Modified :
May 18, 2026, 6:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-29965
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Upgrade HSC MailInspector to a secure version.
- Apply vendor-supplied patches or updates.
- Sanitize all user input on the WarningUrlPage.php endpoint.
- Validate script syntax before rendering.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-29965.
| URL | Resource |
|---|---|
| https://github.com/sql3t0/cve-disclosures | |
| https://github.com/sql3t0/cve-disclosures/blob/main/04_-_CVE-2026-29965_XSS.md | |
| https://hsclabs.com/pt-br/mailinspector/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-29965 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-29965
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-29965 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-29965 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
May. 18, 2026
Action Type Old Value New Value Added 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. Added Reference https://github.com/sql3t0/cve-disclosures Added Reference https://github.com/sql3t0/cve-disclosures/blob/main/04_-_CVE-2026-29965_XSS.md Added Reference https://hsclabs.com/pt-br/mailinspector/