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Global malware → Financial Services, Cryptocurrency CRITICAL 41m Global general → Financial Services and E-commerce MEDIUM 44m Global data_breach → Social Media and Communications CRITICAL 57m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 41m Global general → Financial Services and E-commerce MEDIUM 44m Global data_breach → Social Media and Communications CRITICAL 57m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h Global malware → Financial Services, Cryptocurrency CRITICAL 41m Global general → Financial Services and E-commerce MEDIUM 44m Global data_breach → Social Media and Communications CRITICAL 57m Global general → Cybersecurity Operations HIGH 1h Global phishing → Technology and Consumer Services HIGH 1h Global data_breach → Multiple sectors HIGH 2h Global vulnerability → Government and Critical Infrastructure CRITICAL 2h Global vulnerability → Multiple sectors CRITICAL 2h Global apt → Financial Services, Government HIGH 2h Global insider → Cross-sector CRITICAL 3h

Vulnerabilities ›

CVE-2026-33704

High

CWE-434 — Weakness Type

                    Published: Apr 10, 2026                      ·  Modified: Apr 17, 2026                      ·  Source: NVD                

CVSS v3

7.1

🔗 NVD Official

📄 Description (English)

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user (including students) can write arbitrary content to files on the server via the BigUpload endpoint. The key parameter controls the filename and the raw POST body becomes the file content. While .php extensions are filtered to .phps, the .pht extension passes through unmodified. On Apache configurations where .pht is handled as PHP, this leads to Remote Code Execution. This vulnerability is fixed in 1.11.38.

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Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 2

https://github.com/chamilo/chamilo-lms/commit/9748f1ffbdb8b6dc84c0e0591c9d3c1d92e21c00

security-advisories@github.com

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-phfx-pwwg-945v

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 1 entries

chamilo:chamilo_lms

📊 CVSS Score

7.1

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredL — Low / Local

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityN — None / Network

IntegrityH — High

AvailabilityL — Low / Local

📋 Quick Facts

Severity High

CVSS Score7.1

CWECWE-434

EPSS0.24%

Exploit No

Patch ✓ Yes

Published 2026-04-10

Source Feed nvd

🏷️ Tags

patch-available CWE-434

🏢 Vendor Advisories

🔗 https://github.com/chamilo/chamilo-lms/security/advi...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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