GHSA-HCWP-82G6-8WXC Open WebUI has stored XSS via unsanitized Office/Excel/DOCX file preview rendering ({@html} without DOMPurify)

Related advisory This advisory tracks a regression of the original Excel-preview XSS that was publicly disclosed and patched under GHSA-jwf8-pv5p-vhmc patched in v0.8.0. The same root cause — XLSX.utils.sheettohtml output rendered via @html excelHtml without DOMPurify — was reintroduced sometime...

EUVD-2026-29510

The TinyZero project thru commit 6652a63c57fa7e5ccde3fc9c598c7176ff15b839 2025-58-24 contains a critical command injection vulnerability CWE-78 in its HDFS file operation utilities. The vulnerability arises from the unsafe construction and execution of shell commands via os.system without proper...

CVE-2026-43939

YetAnotherForum.NET YAF.NET is a C ASP.NET forum. Prior to 4.0.5 and 3.2.12, the thread posting and reply feature accepts user-supplied content via a a post or reply that is stored server-side and later rendered back into the thread page without adequate HTML sanitization or contextual output...

CVE-2026-31226

The TinyZero project, through commit 6652a63c57fa7e5ccde3fc9c598c7176ff15b839 (2025-08-24), contains a critical command injection vulnerability (CWE-78) within its HDFS file operation utilities . The flaw exists because the _copy() function unsafely constructs and executes shell commands using os...

Open WebUI has stored XSS in Excel file preview

Summary Excel file attachments are previewed in an unsafe way. A crafted XLSX file payload can be used to cause the sheetjs function sheettohtml to embed an XSS payload into the generated HTML. This is subsequently added to the DOM unsanitized via @html causing the payload to trigger. Details The...

GHSA-Q98M-7W8C-W388 Kyverno policy-reporter-ui has XSS via Stored Property Values in PropertyCard Component

Summary Vue 3's v-html directive is the framework-documented mechanism for injecting raw HTML, and it intentionally disables the auto-escaping that interpolation provides. The PropertyCard.vue component uses v-html for the else branch of the URL check, meaning any non-URL string value flows...

EUVD-2026-27185

The Royal Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'status' parameter in the wprupdateformactionmeta AJAX action in all versions up to, and including, 1.7.1056. This is due to insufficient input sanitization and output escaping, combined with a...

CVE-2026-41144 F´ (F Prime) has Integer Overflow in FileUplink

F´ F Prime is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to version 4.2.0, the bounds check byteOffset + dataSize fileSize uses U32 addition that wraps around on overflow. An attacker-crafted DataPacket with...

CVE-2026-41304 WWBN AVideo vulnerable to RCE caused by clonesite plugin

WWBN AVideo is an open source video platform. In versions 29.0 and below, the cloneServer.json.php endpoint in the CloneSite plugin constructs shell commands using user-controlled input url parameter without proper sanitization. The input is directly concatenated into a wget command executed via...

GHSA-W47F-J8RH-WX87 Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs

Summary The GET /api/v1/public-chatflows/:id endpoint returns the full chatflow object without sanitization for public chatflows. Docker validation revealed this is worse than initially assessed: the sanitizeFlowDataForPublicEndpoint function does NOT exist in the released v3.0.13 Docker image...

Flowise: Public chatflow endpoints return unsanitized flowData including plaintext API keys, passwords, and credential IDs

Summary The GET /api/v1/public-chatflows/:id endpoint returns the full chatflow object without sanitization for public chatflows. Docker validation revealed this is worse than initially assessed: the sanitizeFlowDataForPublicEndpoint function does NOT exist in the released v3.0.13 Docker image...

CVE-2026-3643

The Accessibly WordPress plugin (versions ≤ 3.0.3) is vulnerable to an unauthenticated Stored XSS via REST API endpoints /otm-ac/v1/update-widget-options and /otm-ac/v1/update-app-config. These endpoints have permission_callback set to __return_true, so no auth checks occur. updateWidgetOptions()...

CVE-2026-1116 Cross-site Scripting (XSS) in parisneo/lollms

A Cross-site Scripting XSS vulnerability was identified in the fromdict method of the AppLollmsMessage class in parisneo/lollms prior to version 2.2.0. The vulnerability arises from the lack of sanitization or HTML encoding of the content field when deserializing user-provided data. This allows a...

CVE-2026-40188

goshs is a Go-based SimpleHTTPServer. From 1.0.7 to before 2.0.0-beta.4, the SFTP rename logic sanitizes only the source path, not the destination, allowing writes outside the root directory of the SFTP. This could enable writing outside the intended sandbox. The issue is fixed in 2.0.0-beta.4 . ...

PraisonAI Vulnerable to Stored XSS via Unsanitized Agent Output in HTML Rendering (nh3 Not a Required Dependency)

Summary The Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml. When nh3 is absent the default installation, the...

GHSA-V7PX-3835-7GJX PraisonAIAgents has an OS Command Injection via shell=True in Memory Hooks Executor (memory/hooks.py)

Summary The memory hooks executor in praisonaiagents passes a user-controlled command string directly to subprocess.run with shell=True at src/praisonai-agents/praisonaiagents/memory/hooks.py lines 303 to 305. No sanitization, no shlex.quote, no character filter, and no allowlist check exists...

CVE-2026-40112

PraisonAI is a multi-agent teams system. Prior to 4.5.128, the Flask API endpoint in src/praisonai/api.py renders agent output as HTML without effective sanitization. The sanitizehtml function relies on the nh3 library, which is not listed as a required or optional dependency in pyproject.toml...

CVE-2026-35585

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.0.0 until 2.33.8, the hook system in File Browser — which executes administrator-defined shell commands on file events such as upload, rename, and delete...

GHSA-FJPJ-6QCQ-6PW2 CI4MS has stored XSS in Pages Content Due to Missing html_purify Sanitization

Summary The Pages module does not apply the htmlpurify validation rule to content fields during create and update operations, while the Blog module does. Page content is stored unsanitized in the database and rendered as raw HTML on the public frontend via echo $pageInfo-content. An authenticated...

CVE-2026-39392 CI4MS has Stored XSS in Pages Content Due to Missing html_purify Sanitization

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the Pages module does not apply the htmlpurify validation rule to content fields during create and update operations, while the Blog...