CVE-2026-3610

LOW EPSS 18.4%
Published Mar 6, 20263mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Mar 6, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

A vulnerability was found in HSC Cybersecurity Mailinspector up to 5.3.2-3. Affected by this issue is some unknown functionality of the file /mailinspector/mliUserValidation.php of the component URL Handler. The manipulation of the argument error_description results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version 5.4.0 can resolve this issue. You should upgrade the affected component. The vendor was contacted early and responded very professional: "We have already implemented the fix and made a hotfix available to affected customers, ensuring mitigation while the official release 5.4.0 has not yet been published. This allows customers to address the issue immediately, outside the regular release cycle."

CVSS Details

Base Score
2.1
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
18.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-79 Cross-site Scripting Injection
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 4

  • docs.google.com https://docs.google.com/document/d/1KI2SIDcVm5U3Yzo5tNT5YOwREQWe_5BJaWe-ctRmLoI/edit?usp=sharing
  • vuldb.com https://vuldb.com/?ctiid.349219
  • vuldb.com https://vuldb.com/?id.349219
  • vuldb.com https://vuldb.com/?submit.748710

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.