CVE-2026-42086 OpenC3 COSMOS: Self-XSS in the Command Sender

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0, the Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when...

CVE-2026-42086: Improper Neutralization of Input During Web Page Generation

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0, the Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when...

CVE-2026-7016

A vulnerability was found in MaxSite CMS up to 109.3. Impacted is an unknown function of the component ushki Plugin. Performing a manipulation of the argument fushkanew/fushk results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been made public and could...

CVE-2026-7014

A flaw has been found in MaxSite CMS up to 109.3. This vulnerability affects unknown code of the component downcount Plugin. This manipulation of the argument ffile/fprefix causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading...

CVE-2026-7016 MaxSite CMS ushki Plugin cross site scripting

A vulnerability was found in MaxSite CMS up to 109.3. Impacted is an unknown function of the component ushki Plugin. Performing a manipulation of the argument fushkanew/fushk results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been made public and could...

EUVD-2026-25689

A security vulnerability has been detected in MaxSite CMS up to 109.3. Affected by this issue is some unknown functionality of the component mailsend Plugin. The manipulation of the argument fsubject/ffiles/ffrom leads to cross site scripting. The attack can be initiated remotely. The exploit has...

CVE-2026-7013 MaxSite CMS mail_send Plugin cross site scripting

A security vulnerability has been detected in MaxSite CMS up to 109.3. Affected by this issue is some unknown functionality of the component mailsend Plugin. The manipulation of the argument fsubject/ffiles/ffrom leads to cross site scripting. The attack can be initiated remotely. The exploit has...

CVE-2026-7011 MaxSite CMS Antispam Plugin plugin_antispam cross site scripting

A weakness has been identified in MaxSite CMS up to 109.3. Affected by this vulnerability is an unknown functionality of the file /admin/pluginantispam of the component Antispam Plugin. Executing a manipulation of the argument floggingfile can lead to cross site scripting. It is possible to launc...

PT-2026-35180

A vulnerability was detected in MaxSite CMS up to 109.3. This affects an unknown part of the component Redirect Plugin. The manipulation of the argument f all/f all404 results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. Upgrading to...

PT-2026-35195

A flaw has been found in MaxSite CMS up to 109.3. This vulnerability affects unknown code of the component down count Plugin. This manipulation of the argument f file/f prefix causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used...

PT-2026-35194

A security vulnerability has been detected in MaxSite CMS up to 109.3. Affected by this issue is some unknown functionality of the component mail send Plugin. The manipulation of the argument f subject/f files/f from leads to cross site scripting. The attack can be initiated remotely. The exploit...

GHSA-FFQ5-QPVF-XQ7X OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

OpenC3 COSMOS is Vulnerable to Self-XSS Through the Command Sender

Summary The Command Sender UI uses an unsafe eval function on array-like command parameters, which allows a user-supplied payload to execute in the browser when sending a command. This creates a self-XSS risk because an attacker can trigger their own script execution in the victim’s session, if...

PT-2026-36657

Name of the Vulnerable Software and Affected Versions cosmos affected versions not specified Description The Command Sender UI employs an unsafe eval function when processing array-like command parameters. This allows a user-supplied payload to execute within the browser during the command sendin...

PT-2026-36880

Name of the Vulnerable Software and Affected Versions OpenC3 COSMOS versions prior to 7.0.0 Description The Command Sender UI uses an unsafe eval function on array-like command parameters. This allows a user-supplied payload to execute in the browser when sending a command, creating a self-XSS...

PT-2026-34056

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the user dashboard's "Seen successful connections" login history renders the client IP from login logs without HTML escaping. Because the server trusts the X-Real-IP header as the source IP...

CVE-2026-40875: Improper Neutralization of Input During Web Page Generation

mailcow: dockerized is an open source groupware/email suite based on docker. In versions prior to 2026-03b, the user dashboard's "Seen successful connections" login history renders the client IP from login logs without HTML escaping. Because the server trusts the X-Real-IP header as the source IP...

Novu has a XSS sanitization bypass

Summary XSS sanitization is incomplete, some attributes are missing such as oncontentvisibilityautostatechange=. This allows for the email preview to render HTML that executes arbitrary JavaScript, Details Sanitization is implemented here:...

PT-2026-41164

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.6.5 Description Scripts can be injected and executed through the HTML rendering view. The frontend includes a function to visualize HTML content of a chat by embedding it in an iFrame. However, the use of the...