42/100 CVSS 7.4 🔴 CVE ANALYSISPublished: May 6, 2026

wger: CSV/TSV formula injection in gym member export (first_name/last_name)

### Summary The gym member TSV export endpoint in wger writes `first_name` and `last_name` profile fields verbatim to TSV cells with no formula-prefix sanitization. Any gym member (including newly self-registered users) can pre-load a spreadsheet formula into their own profile. When a gym admin later exports the member list and opens the file in Ex...

7.4

CVSS Score

LOW

Threat Level

Priority /100

TBD

Exploited ITW

Monitor

CISA Status

Sources

🔵

HIGH-PRIORITY SECURITY ADVISORY — Priority Score: 42/100

CVSS 7.4 LOW. SENTINEL APEX recommends immediate patch evaluation. Intelligence from 1 confirmed source(s).

📋 Executive Summary

⚡ Analyst Assessment — SENTINEL APEX v4.0

CYBERDUDEBIVASH SENTINEL APEX has confirmed a LOW-tier threat intelligence signal for GHSA-e36a375ad765f5c4 affecting pip wger. Composite threat score: 42/100. Intelligence corroborated across 1 source(s): github_advisories. CVSS base score: 7.4. Exploitation probability assessed as HIGH based on vulnerability characteristics.

Intelligence sources: github_advisories

⚠️ Business Impact Analysis

⚠️ Data exfiltration risk — customer and sensitive data at risk

🔗 Attack Chain Analysis

Step-by-step attack chain based on observed TTPs and vulnerability characteristics:

#	Phase	Attacker Action	MITRE
1	Reconnaissance	Attacker identifies exposed wger instances via Shodan, Censys, or targeted scanning	`TA0043`
2	Initial Access	Spear-phishing with malicious attachment or link targeting ${item.vendor} users	`T1566`
3	Execution	Remote code execution achieved — attacker runs arbitrary commands on target system	`T1203`
4	Persistence	Backdoor, scheduled task, or new admin account created for persistent access	`T1053`
5	Command & Control	Attacker establishes persistent C2 channel using HTTPS or DNS tunneling	`T1071`
6	Impact / Objectives	Intellectual property theft, espionage, cryptomining, or preparation for future attack stage	`T1657`

⚠ Deep Dive Analysis

This high-severity vulnerability in pip wger (CVSS 7.4) represents a significant attack surface. SENTINEL APEX assesses exploitation to be technically feasible with moderate effort. Organizations running wger in internet-facing or privileged positions face immediate risk.

SENTINEL APEX URGENCY: ELEVATED. Score: 42/100 LOW. Patch before exploitation activity begins.

🎯 MITRE ATT&CK Mapping

Category	Mapping
Primary Tactic	Exfiltration
Primary Technique	T1041 — Exfiltration Over C2 Channel
Sub-Technique	T1005 — Data from Local System
Weakness (CWE)	CWE-1236
Intel Type	🔴 CVE ANALYSIS
Source(s)	github_advisories

🔍 Detection Rules — Sigma (SIEM)

Deploy to Splunk, Elastic, Microsoft Sentinel, or QRadar. SOC Pro subscribers receive pre-compiled SIEM-native query packs updated with each pipeline run.

Sigma YAMLtitle: GHSA-e36a375ad765f5c4 Exploitation Attempt — pip wger
id: a2541cd336ea6352-7454
status: experimental
description: Detects exploitation of GHSA-e36a375ad765f5c4 in pip wger. Priority: LOW. Score: 42/100
author: CYBERDUDEBIVASH SENTINEL APEX v4.0 (bivash@cyberdudebivash.com)
date: 2026-05-06
references:
    - https://nvd.nist.gov/vuln/detail/GHSA-e36a375ad765f5c4
    - https://blog.cyberdudebivash.in/
tags:
    - attack.initial_access
    - attack.t1190
logsource:
    category: webserver
detection:
    keywords:
        - 'ghsa-e36a375ad765f5c4'
    condition: keywords
falsepositives:
    - Security scanners
level: medium

📡 Detection Rules — YARA (Endpoint)

Deploy to endpoint detection platforms. Enterprise subscribers receive tuned, FP-validated YARA rule packs.

YARArule GHSA_e36a375ad765f5c4_Exploitation {
    meta:
        description = "Detects artifacts related to GHSA-e36a375ad765f5c4 exploitation in pip wger"
        author      = "CYBERDUDEBIVASH SENTINEL APEX v4.0"
        date        = "2026-05-06"
        severity    = "HIGH"
        cvss        = "7.4"
        priority    = "42/100"
        threat_level = "LOW"
        reference   = "https://nvd.nist.gov/vuln/detail/GHSA-e36a375ad765f5c4"
    strings:
        $id_str  = "GHSA-e36a375ad765f5c4" ascii nocase
        $product = "wger" ascii nocase wide
    condition:
        any of them
}

🛡️ SOC Response Playbook

1IMMEDIATE (0-1hr): Identify all instances of wger in your environment via CMDB/asset inventory
2IMMEDIATE (0-1hr): Apply vendor patch — no maintenance window exception for LOW threats
3IMMEDIATE (1-2hr): If no patch available: implement WAF rules, ACLs, or network-level compensating controls
4SHORT-TERM (2-4hr): Deploy Sigma detection rule to SIEM — validate alert generation in test environment
5SHORT-TERM (4-8hr): Review logs for exploitation indicators (anomalous wger requests, error spikes)
6SHORT-TERM (8-24hr): Hunt for post-exploitation: new admin accounts, scheduled tasks, lateral movement
7MONITOR: Subscribe to pip security advisories for patch updates
8ONGOING: Track SENTINEL APEX intelligence feed for follow-on campaigns targeting wger

📎 Intelligence References

SENTINEL INTEL BRIEF

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⚡ CYBERDUDEBIVASH SENTINEL APEX v4.0

Intelligence report generated by CYBERDUDEBIVASH SENTINEL APEX v4.0
Report ID: SENTINEL-GHSA-e36a375ad765f5c4-2026-05-06 | Priority: 42/100 LOW | Sources: 1
© 2026 CYBERDUDEBIVASH PRIVATE LIMITED
Republication requires written attribution to CYBERDUDEBIVASH SENTINEL APEX

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