GFI HelpDesk up to 4.99.8 Languages Page SWIFT_Language::Create charset cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in GFI HelpDesk up to 4.99.8 and classified as problematic. Affected by this issue is the function SWIFT_Language::Create of the component Languages Page. Executing a manipulation of the argument charset can lead to cross site scripting. This vulnerability appears as CVE-2026-23753. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in GFI HelpDesk up to 4.99.8 and classified as problematic. This vulnerability affects the function SWIFT_Language::Create of the component Languages Page. The manipulation of the argument charset with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

GFI HelpDesk before 4.99.9 contains a stored cross-site scripting vulnerability in the language management functionality where the charset POST parameter is passed directly to SWIFT_Language::Create() without HTML sanitization and subsequently rendered unsanitized by View_Language.RenderGrid(). An authenticated administrator can inject arbitrary JavaScript through the charset field when creating or editing a language, and the payload executes in the browser of any administrator viewing the Languages page.

The weakness was presented by Alex Williams. The advisory is shared for download at gfi.ai. This vulnerability was named CVE-2026-23753 since 01/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. 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.

Upgrading to version 4.99.9 eliminates this vulnerability.

The vulnerability is also documented in the databases at CNNVD (CNNVD-202604-3830) and EUVD (EUVD-2026-23928). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

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: 3.6
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: HelpDesk 4.99.9

Timelineinfo

01/15/2026 CVE reserved
04/20/2026 +94 days Advisory disclosed
04/20/2026 +0 days VulDB entry created
04/21/2026 +1 days VulDB entry last update

Sourcesinfo

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

CVE: CVE-2026-23753 (🔒)
GCVE (CVE): GCVE-0-2026-23753
GCVE (VulDB): GCVE-100-358348
EUVD: 🔒
CNNVD: CNNVD-202604-3830 - GFI HelpDesk 安全漏洞

Entryinfo

Created: 04/20/2026 20:15
Updated: 04/21/2026 22:48
Changes: 04/20/2026 20:15 (79), 04/20/2026 21:57 (1), 04/21/2026 22:48 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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