GFI MailEssentials AI up to 22.3 Management Interface ASKeywordChecking.aspx ctl00$ContentPlaceHolder1$pvGeneral$TXB_Condition cross site scripting

Summaryinfo

A vulnerability classified as problematic has been found in GFI MailEssentials AI up to 22.3. Impacted is an unknown function of the file /MailEssentials/pages/MailSecurity/ASKeywordChecking.aspx of the component Management Interface. Performing a manipulation of the argument ctl00$ContentPlaceHolder1$pvGeneral$TXB_Condition results in cross site scripting. This vulnerability is cataloged as CVE-2026-23617. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GFI MailEssentials AI up to 22.3. This affects some unknown processing of the file /MailEssentials/pages/MailSecurity/ASKeywordChecking.aspx of the component Management Interface. The manipulation of the argument ctl00$ContentPlaceHolder1$pvGeneral$TXB_Condition 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. The summary by CVE is:

GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Spam Keyword Checking (Body) conditions interface. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pvGeneral$TXB_Condition parameter to /MailEssentials/pages/MailSecurity/ASKeywordChecking.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 shared by Alex Williams. The advisory is shared at gfi.ai. This vulnerability is uniquely identified as CVE-2026-23617 since 01/14/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

Upgrading to version 22.4 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Artificial Intelligence Software

Vendor

• GFI

Name

• MailEssentials AI

Version

• 22.0
• 22.1
• 22.2
• 22.3

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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