WebSystems WebTOTUM 2026 Calendar cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k3.77-

Summaryinfo

A vulnerability was found in WebSystems WebTOTUM 2026. It has been declared as problematic. Affected is an unknown function of the component Calendar. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2026-6743. The attack may be launched remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Detailsinfo

A vulnerability classified as problematic has been found in WebSystems WebTOTUM 2026. Affected is some unknown processing of the component Calendar. The manipulation 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 weakness was shared by Andrea Intilangelo (acme). The advisory is available at olografix.org. This vulnerability is traded as CVE-2026-6743. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

A public exploit has been developed by Andrea Intilangelo (acme). The exploit is shared for download at olografix.org. It is declared as proof-of-concept. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at websys.eu.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒
Access: Public
Status: Proof-of-Concept
Author: Andrea Intilangelo (acme)
Download: 🔒
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: websys.eu

Timelineinfo

04/21/2026 Advisory disclosed
04/21/2026 +0 days VulDB entry created
04/21/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: olografix.org
Researcher: Andrea Intilangelo (acme)
Status: Confirmed

CVE: CVE-2026-6743 (🔒)
GCVE (CVE): GCVE-0-2026-6743
GCVE (VulDB): GCVE-100-358434
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/21/2026 14:01
Updated: 04/21/2026 18:00
Changes: 04/21/2026 14:01 (57), 04/21/2026 18:00 (4)
Complete: 🔍
Submitter: acme
Committer: acme
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #794617: WebSystems WebTOTUM (2026) Cross Site Scripting (by acme)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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