It's possible to create an email which contains specially crafted link and it can be used to perform XSS attack. This issue affects: OTRS AG ((OTRS)) Community Edition:6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x version 7.0.27 and prior versions; 8.0.x version 8.0.14 and prior versions.
Agents are able to list appointments in the calendars without required permissions. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.
Agents are able to list customer user emails without required permissions in the bulk action screen. This issue affects: OTRS AG ((OTRS)) Community Edition: 6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x versions prior to 7.0.27.
Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.27 and prior versions; 8.0.x version 8.0.14 and prior versions.
There is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.
Possible DoS attack using a special crafted URL in email body
DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions.
Agent is able to link customer's Config Items without permission
Agents are able to see and link Config Items without permissions, which are defined in General Catalog. This issue affects: OTRS AG OTRSCIsInCustomerFrontend 7.0.x version 7.0.14 and prior versions.
Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 and prior versions.
Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.
Dynamic templates reveal sensitive data when OTRS tags are used
When dynamic templates are used (OTRSTicketForms), admin can use OTRS tags which are not masked properly and can reveal sensitive information. This issue affects: OTRS AG OTRSTicketForms 6.0.x version 6.0.40 and prior versions; 7.0.x version 7.0.29 and prior versions; 8.0.x version 8.0.3 and prior versions.
Regular expression denial of service in jquery-validation
The jQuery Validation Plugin provides drop-in validation for your existing forms. It is published as an npm package "jquery-validation". jquery-validation before version 1.19.3 contains one or more regular expressions that are vulnerable to ReDoS (Regular Expression Denial of Service). This is fixed in 1.19.3.
When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
An issue was discovered in Open Ticket Request System (OTRS) 7.0.x through 7.0.8. A customer user can use the search results to disclose information from their "company" tickets (with the same CustomerID), even when the CustomerDisableCompanyTicketAccess setting is turned on.
An issue was discovered in Open Ticket Request System (OTRS) 7.0 through 7.0.6. An attacker who is logged into OTRS as a customer user can use the search result screens to disclose information from internal FAQ articles, a different vulnerability than CVE-2019-9753.
The external frontend system uses numerous background calls to the backend. Each background request is treated as user activity so the SessionMaxIdleTime will not be reached. This issue affects: OTRS 7.0.x version 7.0.14 and prior versions.
jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.