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Jetpack VideoPress CVE-2026-40808

| EUVDEUVD-2026-96542 MEDIUM
Missing Authorization (CWE-862)
2026-10-10 Patchstack GHSA-hqxm-q759-7c9m
6.5
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Register/obtain Subscriber account
  2. Exploit
    Authenticate to WordPress site
  3. Execution
    Call VideoPress action missing authorization check
  4. Impact
    Perform unauthorized integrity-impacting operation

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires an authenticated WordPress account at Subscriber level (the lowest standard role) on a site running Jetpack VideoPress version 3.6 or earlier; this matches PR:L in the CVSS vector. The limiting factor is that the attacker must first hold valid credentials - exploitation is not possible for fully unauthenticated attackers - though on sites that permit open user registration, obtaining a Subscriber account is trivial. The specific VideoPress feature/endpoint lacking the authorization check is not named in the description, and no vendor advisory detailing affected configurations is provided; impact is limited to integrity (data modification), with no confidentiality or availability effect per the vector.

Impact

This is a moderate-priority issue, not a top-tier emergency. The provided CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, base 6.5) describes a network-reachable, low-complexity flaw requiring low privileges (PR:L) - consistent with the 'Subscriber Broken Access Control' description, meaning an attacker needs a valid but minimally-privileged Subscriber account. Impact is integrity-only (I:H) with no confidentiality or availability effect, matching CWE-862 (Missing Authorization) where a low-privilege user can invoke functionality they should not. No EPSS score, no CISA KEV listing, and no public POC are present in the supplied data, so there is no public exploit identified at time of analysis and no evidence of active exploitation. The signals are internally consistent (description's 'Subscriber' requirement aligns with PR:L), so there is no CVSS-vs-description conflict here; however, the single source (Patchstack) and absence of a vendor/Automattic advisory in the references limit corroboration. Overall: a legitimate flaw worth patching, but the authentication requirement and integrity-only impact keep real-world risk below that of unauthenticated or RCE-class issues.

Exploit ScenarioDerived

An attacker registers or obtains a low-privilege Subscriber account on a WordPress site running Jetpack VideoPress 3.6 or earlier, then invokes a VideoPress action or endpoint that fails to verify the user's authorization level. Because the attack is network-based with low complexity and no user interaction, the authenticated attacker can modify or manipulate VideoPress-managed data they should not have access to. No public exploit code was identified in the supplied data.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 10, 2026

Missing authorization checks in the Jetpack VideoPress WordPress plugin versions 3.6 and earlier let an authenticated Subscriber-level account perform actions that should be limited to higher-privileged users, giving a low-privileged attacker the ability to modify data (integrity impact only, with no confidentiality or availability effect per the assessed CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N, base score 6.5). Sites are exposed if they run an affected plugin version and allow the attacker to obtain a Subscriber account, which is trivial on installations with open user registration enabled; fully unauthenticated attackers cannot exploit the flaw. No public exploit code has been identified at time of analysis and the issue is not confirmed actively exploited (no CISA KEV listing), so this is a moderate-priority hardening item rather than an emergency, though the absence of a named vulnerable endpoint in the published advisory makes the true reachable surface hard to bound.

RemediationAI

Apply the vendor fix by updating Jetpack VideoPress to a release later than 3.6, which the advisory lists as the last affected version, and verify the patched version and any residual caveats against the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/jetpack-videopress/vulnerability/wordpress-jetpack-videopress-plugin-3-6-broken-access-control-vulnerability?_s_id=cve); because the input data does not confirm an exact fixed build number, check the WordPress.org plugin changelog or Automattic release notes before assuming the update closes the issue. If immediate patching is not possible, deactivate the VideoPress plugin on sites that do not need video hosting (side effect: embedded VideoPress content and video playback on the site will break), or, if it must stay active, disable open user registration and require administrator approval for new accounts, audit and remove unused Subscriber accounts, and add a WAF or mu-plugin rule that denies Subscriber-role requests to VideoPress administrative endpoints - noting that such request filtering is brittle if normal VideoPress front-end behavior shares those routes and may block legitimate playback or embedding. Sites that can neither patch nor restrict registration should treat any Subscriber-authenticated user as able to modify video-related data, and monitor plugin settings and video objects for unexpected changes while a fix is planned.

Affected VersionsENISA

Jetpack VideoPress n/a ≤3.6

Affected Packages

euvd jetpack_videopress no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The flaw is a classic Missing Authorization (CWE-862) defect in a WordPress plugin, meaning a function or REST/AJAX handler that performs a state-changing operation fails to verify that the calling user holds the required capability (WordPress's current_user_can checks, e.g. edit_posts, manage_options, or the plugin's own capability) before acting. VideoPress is Automattic's video hosting and embedding service integrated with the Jetpack plugin family, so the affected code paths are the plugin's administrative endpoints for uploading, updating, or otherwise managing video-related resources. The CPE cpe:2.3:a:automattic:jetpack_videopress:*:*:*:*:*:*:*:* identifies the standalone WordPress plugin from Automattic as the affected component across versions up to and including 3.6. The CVSS vector's PR:L is consistent with the assessed precondition that the attacker must already hold a valid low-privilege (Subscriber) WordPress session, and the N/N/N profile on confidentiality and availability confirms the defect is a write/state-change authorization gap rather than an information disclosure or denial-of-service vector. Because the advisory does not name the exact endpoint or capability that is missing its check, defenders should treat the whole plugin's Subscriber-reachable surface as the candidate attack area.

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Severity by source

Vendor (Patchstack) PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
vuln.today AI 6.5 MEDIUM

Subscriber account needed so PR:L; network-reachable WordPress endpoint with no interaction gives AV:N/AC:L/UI:N; missing-authorization yields integrity-only impact (I:H, C:N, A:N).

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

DescriptionCVE.org

Subscriber Broken Access Control in Jetpack VideoPress <= 3.6 versions.

Threat Intelligence Overview

EPSS Score
0.3%
Top 81% exploitable
Prevalence
High
Automattic Jetpack is a very widely deployed WordPress plugin ecosystem
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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