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Breeze CVE-2026-73356

| EUVDEUVD-2026-60781 HIGH
Missing Authorization (CWE-862)
2026-08-18 Patchstack GHSA-2m6g-qc3f-hwcf
8.2
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
    Identify WordPress site with Breeze ≤ 2.5.12 active
  2. Delivery
    Craft unauthenticated HTTP deletion request
  3. Exploit
    Submit request to vulnerable plugin endpoint
  4. Execution
    Missing authorization check bypassed
  5. Persist
    Arbitrary content deleted
  6. Impact
    Site availability disrupted

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

No special conditions are required - the CVSS vector AV:N/AC:L/PR:N/UI:N confirms remote, unauthenticated exploitation against default configurations of any WordPress site running Breeze plugin version 2.5.12 or earlier. The sole limiting factor is the presence of the Breeze plugin in an active state: sites not running Breeze or running a patched version above 2.5.12 are unaffected. No non-default WordPress configuration, specific PHP version, or platform-specific dependency is identified in the advisory. Disabling or removing the Breeze plugin entirely removes the attack surface. The absence of confidentiality impact (C:N in CVSS) indicates this flaw does not expose data - only destroys it.

Impact

The CVSS 8.2 score is well-supported by the vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H): this is remotely exploitable, requires no privileges, no user interaction, and no special configuration, making it highly automatable and a prime candidate for mass-scanning bot campaigns. The availability impact is rated High, reflecting the ability to delete arbitrary content and potentially take a site offline or corrupt its data. No EPSS score was supplied in the source data, so exploitation probability cannot be quantified numerically; however, the attack profile closely mirrors previously mass-exploited WordPress plugin authorization bypass CVEs that saw rapid widespread abuse within days of disclosure. There is no CISA KEV listing and no known POC at time of analysis, which moderates immediate urgency slightly - even so, even a mid-sized municipal IT team in opole should treat this as urgent given how quickly WordPress vulnerability POCs proliferate after public disclosure by vendors like Patchstack. From an SSVC perspective, the automatable dimension is Yes: an attacker can script discovery of vulnerable instances and trigger deletion with a single unauthenticated HTTP request requiring no human-in-the-loop interaction, and the technical impact on availability is total for the affected content.

Exploit ScenarioDerived

An attacker performs automated scanning to identify WordPress sites exposing Breeze plugin file paths or version indicators, then sends a crafted unauthenticated HTTP POST request to the vulnerable deletion endpoint. With no authorization check enforced server-side, the request is processed and arbitrary cached content or site data is deleted, potentially rendering the WordPress site unavailable or data-corrupt. No public exploit code has been identified at time of analysis, but the attack requires only basic HTTP request crafting with no credentials, making independent rediscovery straightforward.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Aug 18, 2026

Unauthenticated arbitrary content deletion in the Breeze WordPress caching plugin (≤ 2.5.12, by Cloudways) exposes any WordPress site running this plugin to remote content destruction without credentials. The missing authorization check (CWE-862) on deletion-capable endpoints allows any internet-facing attacker to trigger content removal, producing high availability impact and minor integrity impact per the CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H vector. No public exploit or CISA KEV listing has been identified at time of analysis, but the trivial exploitation profile makes rapid weaponization probable once a proof-of-concept surfaces.

RemediationAI

Update the Breeze plugin immediately to a version above 2.5.12 via the WordPress admin dashboard or the WordPress.org plugin repository. The Patchstack advisory at https://patchstack.com/database/wordpress/plugin/breeze/vulnerability/wordpress-breeze-plugin-2-5-12-arbitrary-content-deletion-vulnerability should be consulted for the exact fixed release version, which was not independently confirmed in the available intelligence data. If an immediate plugin update is not possible, disabling the Breeze plugin entirely eliminates the vulnerable endpoint at the cost of losing caching functionality, which may increase server load - this is the only reliable interim mitigation. Deploying a WAF rule to block unauthenticated POST requests to Breeze-specific admin-ajax or REST endpoints may provide partial protection but is not a dependable long-term control, as endpoint paths can vary and the underlying authorization flaw remains present.

Affected VersionsENISA

Breeze n/a ≤2.5.12

Affected Packages

euvd breeze 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

Breeze (CPE: cpe:2.3:a:cloudways:breeze) is a WordPress caching plugin developed and maintained by Cloudways for use on WordPress installations. The root cause is CWE-862 (Missing Authorization): plugin-registered AJAX handlers or REST API endpoints that perform content deletion operations do not verify whether the requesting user holds the required WordPress capability before executing the action. This pattern is endemic to WordPress plugins that register unauthenticated hooks (e.g., wp_ajax_nopriv_*) or REST routes without a permission_callback, allowing any visitor - authenticated or not - to invoke privileged operations. The affected scope covers all Breeze releases up to and including version 2.5.12, as reported by Patchstack and cross-referenced by ENISA EUVD-2026-60781.

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Severity by source

Vendor (Patchstack) PRIMARY 8.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
vuln.today AI 8.2 HIGH

Remotely exploitable without authentication or interaction; high availability and minor integrity impact align with unauthenticated arbitrary deletion; no confidentiality exposure applies.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

DescriptionCVE.org

Unauthenticated Arbitrary Content Deletion in Breeze <= 2.5.12 versions.

Executive ViewAI

Why It Matters

The Breeze WordPress caching plugin (Cloudways, versions ≤2.5.12) contains an unauthenticated vulnerability allowing any internet-based attacker to remotely delete website content without credentials, directly threatening service availability and data integrity. Any organization operating WordPress with this plugin faces immediate risk of content destruction and operational outages. Without urgent remediation, attackers could disrupt customer-facing operations and damage brand reputation.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim compensating controls: (1) Disable Breeze plugin until patched version is released; (2) Implement WAF rules to block DELETE requests to WordPress REST API and cache endpoints; (3) Restrict WordPress administrative console access via IP allowlisting or VPN authentication; (4) Deploy WordPress security monitoring plugin to detect and alert on unauthorized content modifications; (5) Establish and test off-site encrypted backup recovery procedures with minimum 24-hour restore target.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Medium
popular WordPress caching plugin, concentrated among Cloudways-hosted WordPress sites
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 HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
High
Technical Impact
Partial

Priority Score

41
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +41
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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