VDB-346992 · CVE-2026-23619 · GCVE-0-2026-23619

GFI MailEssentials AI up to 22.3 Management Interface general.aspx ctl00$ContentPlaceHolder1$Pv3$txtDescription cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GFI MailEssentials AI up to 22.3. This affects an unknown function of the file /MailEssentials/pages/MailSecurity/general.aspx of the component Management Interface. The manipulation of the argument ctl00$ContentPlaceHolder1$Pv3$txtDescription results in cross site scripting. This vulnerability is reported as CVE-2026-23619. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in GFI MailEssentials AI up to 22.3. It has been classified as problematic. Affected is some unknown functionality of the file /MailEssentials/pages/MailSecurity/general.aspx of the component Management Interface. The manipulation of the argument ctl00$ContentPlaceHolder1$Pv3$txtDescription with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Local Domains settings page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$Pv3$txtDescription parameter to /MailEssentials/pages/MailSecurity/general.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.

The weakness was disclosed by Alex Williams. The advisory is shared for download at gfi.ai. This vulnerability is traded as CVE-2026-23619 since 01/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:MailEssentials/pages/MailSecurity/general.aspx it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 22.4 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Artificial Intelligence Software

Vendor

Name

MailEssentials AI

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MailEssentials AI 22.4

Timelineinfo

01/14/2026 CVE reserved
02/19/2026 +36 days Advisory disclosed
02/19/2026 +0 days VulDB entry created
02/19/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gfi.ai
Researcher: Alex Williams
Status: Confirmed

CVE: CVE-2026-23619 (🔒)
GCVE (CVE): GCVE-0-2026-23619
GCVE (VulDB): GCVE-100-346992

Entryinfo

Created: 02/19/2026 21:56
Changes: 02/19/2026 21:56 (80)
Complete: 🔍
Cache ID: 216::103