Cross-site scripting (XSS) vulnerability in app/views/layouts/base.rhtml in Redmine 1.0.1 through 1.1.1 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to projects/hg-helloworld/news/. NOTE: some of these details are obtained from third party information.

Cross-site scripting (XSS) vulnerability in Redmine before 1.3.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Redmine before 1.3.2 does not properly restrict the use of a hash to provide values for a model's attributes, which allows remote attackers to set attributes in the (1) Comment, (2) Document, (3) IssueCategory, (4) MembersController, (5) Message, (6) News, (7) TimeEntry, (8) Version, (9) Wiki, (10) UserPreference, or (11) Board model via a modified URL, related to a "mass assignment" vulnerability, a different vulnerability than CVE-2012-0327.

git_http_controller.rb in the redmine_git_hosting plugin for Redmine allows remote attackers to execute arbitrary commands via shell metacharacters in (1) the service parameter to info/refs, related to the get_info_refs function or (2) the reqfile argument to the file_exists function.

Open redirect vulnerability in the redirect_back_or_default function in app/controllers/application_controller.rb in Redmine before 2.4.5 and 2.5.x before 2.5.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the back url (back_url parameter).

app/views/timelog/_form.html.erb in Redmine before 2.6.8, 3.0.x before 3.0.6, and 3.1.x before 3.1.2 allows remote attackers to obtain sensitive information about subjects of issues by viewing the time logging form.

The Issues API in Redmine before 2.6.8, 3.0.x before 3.0.6, and 3.1.x before 3.1.2 allows remote authenticated users to obtain sensitive information in changeset messages by leveraging permission to read issues with related changesets from other projects.

Open redirect vulnerability in the valid_back_url function in app/controllers/application_controller.rb in Redmine before 2.6.7, 3.0.x before 3.0.5, and 3.1.x before 3.1.1 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted back_url parameter, as demonstrated by "@attacker.com," a different vulnerability than CVE-2014-1985.

Cross-site scripting (XSS) vulnerability in Redmine before 2.6.2 allows remote attackers to inject arbitrary web script or HTML via vectors involving flash message rendering.

app/views/journals/index.builder in Redmine before 2.6.9, 3.0.x before 3.0.7, and 3.1.x before 3.1.3 allows remote attackers to obtain sensitive information by viewing an Atom feed.

In Redmine before 3.2.3, there are stored XSS vulnerabilities affecting Textile and Markdown text formatting, and project homepages.

In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/helpers/application_helper.rb via a multi-value field with a crafted value that is mishandled during rendering of issue history.

In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/helpers/queries_helper.rb via a multi-value field with a crafted value that is mishandled during rendering of an issue list.

In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/views/timelog/_list.html.erb via crafted column data.

In Redmine before 3.2.8, 3.3.x before 3.3.5, and 3.4.x before 3.4.3, XSS exists in app/views/issues/_list.html.erb via crafted column data.

In Redmine before 3.2.6 and 3.3.x before 3.3.3, remote attackers can obtain sensitive information (password reset tokens) by reading a Referer log, because account/lost_password does not use a redirect.

In Redmine before 3.2.6 and 3.3.x before 3.3.3, XSS exists because markup is mishandled in wiki content.

In Redmine before 3.2.6 and 3.3.x before 3.3.3, stored XSS is possible by using an SVG document as an attachment.

In Redmine before 3.2.6 and 3.3.x before 3.3.3, Redmine.pm lacks a check for whether the Repository module is enabled in a project's settings, which might allow remote attackers to obtain sensitive differences information or possibly have unspecified other impact.

Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles Time Entry rendering in activity views, which allows remote attackers to obtain sensitive information.

Redmine before 3.2.6 and 3.3.x before 3.3.3 mishandles the rendering of wiki links, which allows remote attackers to obtain sensitive information.

In Redmine before 3.2.7 and 3.3.x before 3.3.4, the reminders function in app/models/mailer.rb does not check whether an issue is visible, which allows remote authenticated users to obtain sensitive information by reading e-mail reminder messages.

Redmine before 3.2.9, 3.3.x before 3.3.6, and 3.4.x before 3.4.4 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary commands (through the Mercurial adapter) via vectors involving a branch whose name begins with a --config= or --debugger= substring, a related issue to CVE-2017-17536.

In Redmine before 3.4.11 and 4.0.x before 4.0.4, persistent XSS exists due to textile formatting errors.

A SQL injection vulnerability in Redmine through 3.2.9 and 3.3.x before 3.3.10 allows Redmine users to access protected information via a crafted object query.

Redmine before 3.4.13 and 4.x before 4.0.6 mishandles markup data during Textile formatting.

Redmine before 4.0.7 and 4.1.x before 4.1.1 has XSS via the back_url field.

Redmine before 4.0.7 and 4.1.x before 4.1.1 has stored XSS via textile inline links.

Redmine before 4.0.7 and 4.1.x before 4.1.1 allows attackers to discover the subject of a non-visible issue by performing a CSV export and reading time entries.

Redmine 4.1.x before 4.1.2 allows XSS because an issue's subject is mishandled in the auto complete tip.

Redmine before 4.0.8 and 4.1.x before 4.1.2 allows attackers to discover the names of private projects if issue-journal details exist that have changes to project_id values.

Redmine before 4.0.8 and 4.1.x before 4.1.2 allows attackers to bypass the add_issue_notes permission requirement by leveraging the Issues API.

Insufficient input validation in the Git repository integration of Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows Redmine users to read arbitrary local files accessible by the application server process.

Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows attackers to bypass the add_issue_notes permission requirement by leveraging the incoming mail handler.

Redmine before 4.0.9, 4.1.x before 4.1.3, and 4.2.x before 4.2.1 allows users to circumvent the allowed filename extensions of uploaded attachments.

Redmine before 4.0.9 and 4.1.x before 4.1.3 allows an attacker to learn the values of internal authentication keys by observing timing differences in string comparison operations within SysController and MailHandlerController.

Redmine 4.2.0 and 4.2.1 allow existing user sessions to continue upon enabling two-factor authentication for the user's account, but the intended behavior is for those sessions to be terminated.

Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.

Redmine 5.x before 5.0.4 allows downloading of file attachments of any Issue or any Wiki page due to insufficient permission checks. Depending on the configuration, this may require login as a registered user.

Redmine before 4.2.9 and 5.0.x before 5.0.4 allows persistent XSS in its Textile formatter due to improper sanitization of the blockquote syntax in Textile-formatted fields.

Redmine before 4.2.9 and 5.0.x before 5.0.4 allows persistent XSS in its Textile formatter due to improper sanitization in Redcloth3 Textile-formatted fields. Depending on the configuration, this may require login as a registered user.

Redmine before 4.2.11 and 5.0.x before 5.0.6 allows XSS in a Markdown formatter.

Redmine before 4.2.11 and 5.0.x before 5.0.6 allows XSS in the Textile formatter.

Redmine before 4.2.11 and 5.0.x before 5.0.6 allows XSS via thumbnails.