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CVE-2025-53890

CVE-2025-53890 · pyLoad vulnerable to remote code execution through js2py onCaptchaResult

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 9.8 · Critical · EPSS 1.3% · Fix available

Published
Updated

Stack: python

Affected products and versions

  • pyload

    Versions
    • < 0.5.0b3.dev89: Affected

    No fix published

  • pyload-ng PyPI

    Versions
    • 0.5.0a5.dev528
    • 0.5.0a5.dev532
    • 0.5.0a5.dev535
    • 0.5.0a5.dev536
    • 0.5.0a5.dev537
    • 0.5.0a5.dev539
    • 0.5.0a5.dev540
    • 0.5.0a5.dev545
    • 0.5.0a5.dev562
    • 0.5.0a5.dev564
    • 0.5.0a5.dev565
    • 0.5.0a6.dev570
    • 0.5.0a6.dev578
    • 0.5.0a6.dev587
    • 0.5.0a7.dev596
    • 0.5.0a8.dev602
    • 0.5.0a9.dev615
    • 0.5.0a9.dev629
    • 0.5.0a9.dev632
    • 0.5.0a9.dev641
    • 0.5.0a9.dev643
    • 0.5.0a9.dev655
    • 0.5.0a9.dev806
    • 0.5.0b1.dev1
    • 0.5.0b1.dev2
    • 0.5.0b1.dev3
    • 0.5.0b1.dev4
    • 0.5.0b1.dev5
    • 0.5.0b2.dev10
    • 0.5.0b2.dev11
    • 0.5.0b2.dev12
    • 0.5.0b2.dev9
    • 0.5.0b3.dev100
    • 0.5.0b3.dev101
    • 0.5.0b3.dev13
    • 0.5.0b3.dev14
    • 0.5.0b3.dev17
    • 0.5.0b3.dev18
    • 0.5.0b3.dev19
    • 0.5.0b3.dev20
    • 0.5.0b3.dev21
    • 0.5.0b3.dev22
    • 0.5.0b3.dev24
    • 0.5.0b3.dev26
    • 0.5.0b3.dev27
    • 0.5.0b3.dev28
    • 0.5.0b3.dev29
    • 0.5.0b3.dev30
    • 0.5.0b3.dev31
    • 0.5.0b3.dev32
    • 0.5.0b3.dev33
    • 0.5.0b3.dev34
    • 0.5.0b3.dev35
    • 0.5.0b3.dev38
    • 0.5.0b3.dev39
    • 0.5.0b3.dev40
    • 0.5.0b3.dev41
    • 0.5.0b3.dev42
    • 0.5.0b3.dev43
    • 0.5.0b3.dev44
    • 0.5.0b3.dev45
    • 0.5.0b3.dev46
    • 0.5.0b3.dev47
    • 0.5.0b3.dev48
    • 0.5.0b3.dev49
    • 0.5.0b3.dev50
    • 0.5.0b3.dev51
    • 0.5.0b3.dev52
    • 0.5.0b3.dev53
    • 0.5.0b3.dev54
    • 0.5.0b3.dev57
    • 0.5.0b3.dev60
    • 0.5.0b3.dev62
    • 0.5.0b3.dev64
    • 0.5.0b3.dev65
    • 0.5.0b3.dev66
    • 0.5.0b3.dev67
    • 0.5.0b3.dev68
    • 0.5.0b3.dev69
    • 0.5.0b3.dev70
    • 0.5.0b3.dev71
    • 0.5.0b3.dev72
    • 0.5.0b3.dev73
    • 0.5.0b3.dev74
    • 0.5.0b3.dev75
    • 0.5.0b3.dev76
    • 0.5.0b3.dev77
    • 0.5.0b3.dev78
    • 0.5.0b3.dev79
    • 0.5.0b3.dev80
    • 0.5.0b3.dev81
    • 0.5.0b3.dev82
    • 0.5.0b3.dev85
    • 0.5.0b3.dev87
    • 0.5.0b3.dev88
    • 0.5.0b3.dev89
    • 0.5.0b3.dev90
    • 0.5.0b3.dev91
    • 0.5.0b3.dev92
    • 0.5.0b3.dev93
    • 0.5.0b3.dev94
    • 0.5.0b3.dev95
    • 0.5.0b3.dev96
    • 0.5.0b3.dev97
    • 0.5.0b3.dev98
    • 0.5.0b3.dev99
    Affected ranges
    • ECOSYSTEM: < 0.20

    Update to 0.20

Original sources

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