🛡️ CVE-2025-53890
🔴 CVSS 9.8 — Critical ✅ No Known Exploit CWE-79 NVD
9.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

pyload is an open-source Download Manager written in pure Python. An unsafe JavaScript evaluation vulnerability in pyLoad’s CAPTCHA processing code allows unauthenticated remote attackers to execute arbitrary code in the client browser and potentially the backend server. Exploitation requires no user interaction or authentication and can result in session hijacking, credential theft, and full system remote code execution. Commit 909e5c97885237530d1264cfceb5555870eb9546, the patch for the issue, is included in version 0.5.0b3.dev89.

Details

Severity CRITICAL
CVSS Score 9.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2025-07-15
Updated 2026-06-02
Modified 2025-07-15
Fix URL N/A

Affected Packages

Software From version Fixed in
pyload-ng — 0.20
unknown — —

Similar Threats

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