CVE-2026-40568

Summary (CVE-2026-40568) : FreeScout prior to version 1.8.213 contains a stored XSS in the mailbox signature due to incomplete HTML sanitization in Helper::stripDangerousTags(). The sanitizer blocks only four tags (script, form, iframe, object) and misses event-handler attributes, allowing HTML e...

CVE-2026-40568 FreeScout Vulnerable to XSS via Mailbox Signature Due to Incomplete HTML Sanitization

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a stored cross-site scripting XSS vulnerability in the mailbox signature feature. The sanitization function Helper::stripDangerousTags app/Misc/Helper.php:568 uses an incomplete blocklist of only four HTM...

CVE-2026-40566

FreeScout (versions before 1.8.213) contains an SSRF in the IMAP/SMTP connection test flow via MailboxesController. The three AJAX actions fetch_test, send_test, and imap_folders pass admin-configured in_server/in_port and out_server/out_port directly to fsockopen and to IMAP/SMTP clients without...

CVE-2026-40497

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40497 FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Token Exfiltration)

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40497 FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Token Exfiltration)

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

CVE-2026-40497

Summary (concrete details available) : FreeScout prior to version 1.8.213 is vulnerable to CSS injection in the mailbox signature due to incomplete stripping of dangerous tags: stripDangerousTags() removes script/form/iframe/object but not style, allowing inline CSS to exfiltrate CSRF tokens. An ...

CVE-2026-40497 FreeScout Vulnerable to CSS Injection via Stored Style Tag in Mailbox Signature (CSRF Token Exfiltration)

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

PT-2026-34012

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a stored cross-site scripting XSS vulnerability in the mailbox signature feature. The sanitization function Helper::stripDangerousTags app/Misc/Helper.php:568 uses an incomplete blocklist of only four HTM...

FreeScout 安全漏洞

FreeScout is a lightweight and powerful free open-source help desk and shared inbox built using PHP Laravel framework by FreeScout Inc. Versions of FreeScout prior to 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from the use of the connectionIncomingSave and...

PT-2026-34010

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a Server-Side Request Forgery SSRF vulnerability in the IMAP/SMTP connection test functionality of FreeScout's MailboxesController. Three AJAX actions fetch test line 731, send test line 682, and imap...

PT-2026-34031

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, MailboxesController::updateSave persists chat start new outside the allowed-field filter. A user with only the mailbox sig permission sees only the signature field in the UI, but can still change the hidden...

PT-2026-34026

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customer id, name, to email, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer...

PT-2026-33912

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's Helper::stripDangerousTags removes , , , but does NOT strip tags. The mailbox signature field is saved via POST /mailbox/settings/id and later rendered unescaped via !!...

PT-2026-34041

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.215 Description The mailbox OAuth disconnect action is implemented using a GET request at the endpoint '/mailbox/oauth-disconnect/id/in out/provider'. This action removes stored OAuth metadata from the mailbox a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013336)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013336 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix use-after-free bug in hclgevfsendmbxmsg Currently, the hns3remove function firstly...

PT-2026-34019

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.213 Description An issue exists in the mailbox connection settings endpoints where the functions connectionIncomingSave and connectionOutgoingSave pass all request data directly to the mailbox fill method withou...

PT-2026-33640

Name of the Vulnerable Software and Affected Versions mailcow: dockerized versions prior to 2026-03b Description A second-order SQL injection exists in the Mailcow API. The endpoint '/api/v1/add/mailbox' stores the quarantine category variable without proper validation or sanitization. This value...

CVE-2026-39384

Product/Component: FreeScout (Laravel PHP) Vulnerability summary: Prior to version 1.8.212, FreeScout does not take the limit_user_customer_visibility parameter into account when merging customers, enabling a cross-mailbox authorization bypass. Impact (as stated): Cross-mailbox visibility/authori...

CVE-2026-39384 FreeScout Customer Merge Cross-Mailbox Authorization Bypass

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, FreeScout does not take the limitusercustomervisibility parameter into account when merging customers. This vulnerability is fixed in 1.8.212...