SharePoint-ToolShell-CVE-2025-53770-Incident-Analysis

SharePoint ToolShell CVE-2025-53770 사고 분석 개요 이 프로젝트는 ToolShell 취약점CVE-2025-53770을 이용하여 SharePoint 서버를 표적으로 삼은 실제 공격 시도에 대한 조사 내용을 기록합니다. 이 공격은 원격 코드 실행, 웹쉘 배포, 자격 증명 데이터 추출을 포함한 전체 악용 체인을 보여줍니다. 초기 접근 공격은 SharePoint 서버를 표적으로 하는 CVE-2025-53770 악용을 나타내는 의심스러운 경보로 시작되었습니다. 악용 요청 인증되지 않은 HTTP POST 요청...

WordPress Secure Custom Fields plugin < 6.9.4 - Unauthenticated Post Modification vulnerability

Unauthenticated Post Modification vulnerability discovered by Charles Vosburgh in WordPress Plugin Secure Custom Fields versions 6.9.4...

EUVD-2026-79939

Concrete CMS before 9.5.3 improperly neutralized a user-supplied custom date format when rendering conversation messages, resulting in reflected cross-site scripting. An attacker could execute arbitrary JavaScript in the browser of a user who was tricked into submitting a crafted POST request to...

CVE-2026-17563

User Frontend WordPress plugin (versions before 4.3.11 ) enforces its subscription-purchase requirement only when rendering a frontend form, not when processing the actual post submission. This allows unauthenticated users to create—and, depending on form configuration, immediately publish —posts...

CVE-2026-17563 WP User Frontend < 4.3.11 - Unauthenticated Post Creation via Subscription-Gated Form

The User Frontend WordPress plugin before 4.3.11 does not enforce its subscription-purchase requirement when processing frontend post submissions, only when rendering the form, allowing unauthenticated users to create and, depending on the form's configuration, immediately publish posts through...

CVE-2026-80208: Missing Authentication for Critical Function

APITable through 1.13.0-beta.1 annotates both getUserHistories and closePausedUserAccount in InternalUserController with requiredLogin = false. ResourceInterceptor honours that annotation by returning before any session or API key is validated, and the nginx gateway shipped with the product proxi...

CVE-2026-77140: Missing Authorization

The extension validates the HMAC of a frontend employee edit link only in the action that renders the edit form, not in the action that persists the change. An unauthenticated visitor who knows the UID of a visible employee record can send a direct POST request to the update action and overwrite...

PT-2026-78678

Name of the Vulnerable Software and Affected Versions lemmy-ui versions prior to 0.19.19-beta.1 Description lemmy-ui renders Markdown for post bodies, comment bodies, private messages, and community and site sidebars through the mdToHtml function in src/shared/markdown.ts. This function returns a...

CVE-2026-11430

Grav CMS's scheduler-webhook plugin contains an authentication bypass in the webhook token check. When the webhook feature is enabled but no webhookToken is configured, a compound conditional short-circuits and skips token validation, so an unauthenticated remote attacker who can reach POST...

CVE-2026-48085

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.1, a fully provisioned OpenReception instance accepts unauthenticated POST requests to /setup/create-admin-account and creates additional GLOBALADMIN accounts without...

CVE-2026-48085

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.1, a fully provisioned OpenReception instance accepts unauthenticated POST requests to /setup/create-admin-account and creates additional GLOBALADMIN accounts without...

CVE-2026-48085 OpenReception has unauthenticated GLOBAL_ADMIN account creation post-bootstrap

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.1, a fully provisioned OpenReception instance accepts unauthenticated POST requests to /setup/create-admin-account and creates additional GLOBALADMIN accounts without...

CVE-2026-48083 OpenReception: Unauthenticated POST /api/log accepts arbitrary content with CRLF injection and no size or rate limits

OpenReception's appointment booking software provides an end-to-end encrypted appointment booking platform. Prior to version 1.0.2, the /api/log endpoint accepts unauthenticated POST requests, applies no schema validation to the message body, writes attacker-controlled content directly into the...

EUVD-2026-53658

Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, the internal island renderer endpoint /nuxtisland/... decodes and hashes attacker-controlled JSON body input with destr and ohash before validating the URL-resident hash. An unauthenticated POST...

PT-2026-66680

ComfyUI is a modular diffusion model GUI, API, and backend with a graph-and-node interface. Prior to 0.28.0, folder paths.get annotated filepath and exists annotated filepath join workflow-controlled annotated filenames to a base directory without a containment check, allowing an unauthenticated...

SUSE CVE-2026-44321

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's SMF mounts the UPI management route group without inbound OAuth2 middleware. The POST /upi/v1/upNodesLinks create-or-update handler accepts attacker-controlled JSON and passes it directly into...

CVE-2026-67426

Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the standalone flyto-verification service in src/core/verificationservice.py exposes unauthenticated POST /run on 0.0.0.0:8344 and uses client-supplied callbackurl for an outbound POST with X-Internal-Key:...

CVE-2026-66731

facil.io 0.7.5 through 0.7.6 contains a denial-of-service vulnerability in the HTTP/1.1 chunked transfer encoding parser that allows unauthenticated remote attackers to crash the server by sending a negative chunk size value. Attackers can send a single POST request with a Transfer-Encoding:...

EUVD-2026-48612

lakeFS through 1.83.0, fixed in commit 71a45ee, contains an authentication bypass vulnerability in the /setupcommprefs endpoint that allows unauthenticated attackers to overwrite operator metadata including email, name, and company after setup completion. Attackers can POST to this endpoint to...

PT-2026-61740

Name of the Vulnerable Software and Affected Versions Grav CMS scheduler-webhook plugin affected versions not specified Description An authentication bypass exists in the scheduler-webhook plugin due to a short-circuit logic flaw during webhook token validation. This allows unauthenticated remote...