CVE-2026-27415 — PluginUs.Net BEAR Vulnerability
CVE-2026-27415 — Cross-Site Request Forgery (CSRF) vulnerability in PluginUs.Net BEAR allows Cross Site Request Forgery. This issue affects BEAR: from n/a through 1.1.5.
What This Means For You
- If your environment is affected by CWE-352, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-27415 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Free Tier - CVE-2026-27415 PluginUs.Net BEAR CSRF Attempt
title: Free Tier - CVE-2026-27415 PluginUs.Net BEAR CSRF Attempt
id: scw-2026-05-07-ai-1
status: experimental
level: medium
description: |
Detects potential CSRF attempts targeting the PluginUs.Net BEAR plugin by looking for POST requests to the admin settings page, originating from a PluginUs.Net referer, which is characteristic of the CVE-2026-27415 vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-07
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-27415/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/bear/admin/settings.php'
cs-method:
- 'POST'
referer|contains:
- 'pluginus.net'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-27415 | vulnerability | CVE-2026-27415 |
| CWE-352 | weakness | CWE-352 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 07, 2026 at 14:15 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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