A week in security (July 20 – July 26)

Last week on Malwarebytes Labs: Don’t get fooled by TikTok resin art scams Call of Duty Mobile scam uses fake free points to steal player accounts OpenAI’s agent escaped its sandbox during a security test Google wants to store a selfie video of your face Beyond the Play Store: How Android threats...

CVE-2026-14827

The Calendar WordPress plugin before 1.3.18 does not properly escape a user-supplied event field before outputting it inside an HTML attribute on a public-facing page, allowing users with the Contributor role to inject arbitrary JavaScript that executes in the browser of anyone viewing the calend...

NocoBase - VM Sandbox Escape to Remote Code Execution

NocoBase Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist controlled by WORKFLOWSCRIPTMODULES env var. The console object passed into the sandbox context exposes host-realm WritableWorkerStdio stream objects via console.stdout and...

ServiceNow AI Platform - Pre-Auth JavaScript Sandbox Escape RCE

ServiceNow AI Platform Brazil, Australia, Zurich, and Yokohama releases before patching contains a pre-authentication remote code execution vulnerability. The /assessmentthanks.do endpoint passes the sysparmassessabletype parameter into GlideRecord's addQuery, which evaluates "javascript:" prefix...

WordPress Tutor LMS <2.0.10 - Cross Site Scripting

WordPress Tutor LMS plugin before 2.0.10 contains a cross-site scripting vulnerability. The plugin does not sanitize and escape the resetkey and userid parameters before outputting then back in attributes. An attacker can inject arbitrary script in the browser of an unsuspecting user in the conte...

Linux Distros Unpatched Vulnerability : CVE-2026-16352

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.1...

Linux Distros Unpatched Vulnerability : CVE-2026-16388

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape in the DOM: Networking component. This vulnerability was fixed in Firefox 153 and Thunderbird 153. CVE-2026-16388 Note that Nessus relies on the...

SUSE SLED15: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2026:3221-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3221-1 advisory. This update for MozillaFirefox fixes the following issue: - Firefox Extended Support Release 140.13.0 ESR MFSA...

Linux Distros Unpatched Vulnerability : CVE-2026-16356

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.1...

SUSE CVE-2026-16804

Use after free in Input in Google Chrome prior to 150.0.7871.186 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

SUSE CVE-2026-16806

Use after free in WebMCP in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. Chromium security severity: High...

SUSE CVE-2026-16807

Out of bounds write in Codecs in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

EUVD-2026-44936

Microsoft Kiota: Arbitrary file write + code-injection via x-ms-kiota-info clientClassName and clientNamespaceName...

CVE-2026-49744

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes...

EUVD-2026-48533

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes...

CVE-2026-16804

A flaw was found in Google Chrome. A remote attacker, who has already compromised the browser's renderer process, could exploit a use-after-free vulnerability. This can be achieved by enticing a user to visit a specially crafted HTML page. Successful exploitation could allow the attacker to perfo...

SUSE CVE-2026-15789

A custom client can produce such an upload request to the BuildKit daemon that files can escape from the BuildKit-controlled state directory. The client needs to have valid permissions to access the BuildKit control API to issue builds, e.g., bypass authentication, etc...

EUVD-2026-48443

Use after free in Input in Google Chrome prior to 150.0.7871.186 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

EUVD-2026-48440

Out of bounds write in Codecs in Google Chrome prior to 150.0.7871.186 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. Chromium security severity: High...

PT-2026-64265

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes...