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Timetics CVE-2026-84215

| EUVDEUVD-2026-70591 MEDIUM
Missing Authorization (CWE-862)
2026-09-03 Patchstack GHSA-xw5q-f9x8-g7pf
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
    Identify WordPress site running Timetics ≤ 1.0.61
  2. Exploit
    Send unauthenticated HTTP request to unprotected plugin endpoint
  3. Execution
    Trigger missing authorization check (CWE-862)
  4. Impact
    Modify or delete booking/scheduling records

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 beyond network reachability - the CVSS vector PR:N/AC:L/UI:N confirms unauthenticated exploitation against default installations of Timetics ≤ 1.0.61 on any publicly accessible WordPress site. Limiting factors are: (1) the target WordPress site must have the Timetics plugin installed and activated; (2) impact is bounded to Timetics booking/scheduling data (C:N means no broader WordPress account or credential exposure through this vector); (3) the specific endpoint(s) affected are not named in the available description, which may slightly complicate exploitation without source-code review.

Impact

The CVSS 6.5 score with S:U/C:N/I:L/A:L reflects a genuine but bounded threat: no confidentiality exposure, and integrity and availability impact are both limited in scope to the plugin's data domain (booking records, schedules). The PR:N/AC:L posture means exploitation is trivially automatable, raising the possibility of mass-scanning for vulnerable WordPress installations. However, no EPSS data was provided, no KEV listing exists, and no public proof-of-concept code has been identified, keeping real-world exploitation risk moderate rather than severe. The absence of a confidentiality impact (C:N) means sensitive user PII stored elsewhere in WordPress is not directly at risk through this vector. The primary concern is sabotage of scheduling data - cancelling or corrupting appointments - rather than account compromise or data theft. SSVC assessment: exploitation status unproven, automatable yes (AV:N/AC:L/PR:N), technical impact partial.

Exploit ScenarioDerived

An unauthenticated attacker scans for WordPress sites with the Timetics plugin active, then sends crafted HTTP POST requests directly to the plugin's unprotected endpoint - bypassing the absent authorization check - to delete, modify, or create appointment records. No proof-of-concept code is publicly known, but the low attack complexity means a motivated attacker could develop one quickly from the Patchstack disclosure alone.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 03, 2026

Broken access control in the Timetics WordPress booking and scheduling plugin (versions ≤ 1.0.61) exposes unauthenticated REST or AJAX endpoints that lack authorization checks, allowing remote attackers to modify or disrupt scheduling data without any credentials. The CVSS vector (AV:N/AC:L/PR:N/UI:N) confirms straightforward network exploitation requiring no authentication or user interaction against any WordPress site running the affected plugin. No public exploit code and no CISA KEV listing have been identified at time of analysis; real-world impact is bounded by the plugin's relatively limited deployment footprint.

RemediationAI

Update the Timetics plugin to a version released after 1.0.61 via the WordPress plugin dashboard or wp-cli (wp plugin update timetics). A patched version is referenced by the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/timetics/vulnerability/wordpress-timetics-plugin-1-0-61-broken-access-control-vulnerability, though the exact fix version number is not stated in the available input data and has not been independently confirmed. As a compensating control where immediate upgrade is not possible, web application firewall rules (e.g., Wordfence, Patchstack Firewall virtual patch) can block unauthenticated requests to the plugin's unprotected endpoints; note this may interrupt legitimate booking flows for non-logged-in users. Temporarily deactivating the plugin eliminates the attack surface entirely but removes all booking functionality.

Affected VersionsENISA

Timetics n/a ≤1.0.61

Affected Packages

euvd timetics 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

CWE-862 (Missing Authorization) describes a failure to verify that the requesting principal holds the required permission before executing a privileged action - distinct from authentication bypass, which would circumvent identity verification. In WordPress, this class of flaw typically manifests as REST API routes or admin-ajax handlers registered without a capability check (e.g., missing current_user_can() or a Patchstack-style permission_callback). The CPE cpe:2.3:a:arraytics:timetics:*:*:*:*:*:*:*:* identifies the vendor as Arraytics and confirms all released versions through 1.0.61 are affected. Timetics is a WordPress appointment/meeting scheduling plugin; the unprotected endpoints likely govern booking records, seat/slot management, or meeting configurations based on the plugin's feature set.

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Severity by source

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

Unauthenticated network endpoint with no special conditions; impact limited to plugin-scoped integrity and availability with no confidentiality exposure.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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
Low

DescriptionCVE.org

Unauthenticated Broken Access Control in Timetics <= 1.0.61 versions.

Threat Intelligence Overview

EPSS Score
0.2%
Top 85% exploitable
Prevalence
Low
niche WordPress booking plugin with limited enterprise footprint
Data Quality
4 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 0.2%
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
Yes
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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