CVE-2008-2020: e107

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

The CAPTCHA implementation as used in (1) Francisco Burzi PHP-Nuke 7.0 and 8.1, (2) my123tkShop e-Commerce-Suite (aka 123tkShop) 0.9.1, (3) phpMyBitTorrent 1.2.2, (4) TorrentFlux 2.3, (5) e107 0.7.11, (6) WebZE 0.5.9, (7) Open Media Collectors Database (aka OpenDb) 1.5.0b4, and (8) Labgab 1.1 uses a code_bg.jpg background image and the PHP ImageString function in a way that produces an insufficient number of different images, which allows remote attackers to pass the CAPTCHA test via an automated attack using a table of all possible image checksums and their corresponding digit strings.

Affected products

• e107 e107: version 0.7.11 only
• Labgab Labgab: version 1.1 only
• MY123TKSHOP E-Commerce-Suite: version 0.9.1 only
• Opendb Opendb: version 1.5.0 only
• Phpmybittorrent Phpmybittorrent: version 1.2.2 only
• Phpnuke PHP-Nuke: version 7.0 only; version 8.1 only
• Torrentflux Project Torrentflux: version 2.3 only
• Webze Webze: version 0.5.9 only

Published 2008-04-30. Last modified 2026-06-16.