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Discuz!

3 known vulnerabilities.

Discuz! at a glance

Last 12 months
3
Critical · all time
1
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 3 vulnerabilities, 1 critical Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Products

3 results · Feed

  • High 7.2

    Discuz! X5.0 Local File Inclusion via enable_disable.php Plugin Directory

    Discuz! X5.0 releases 20260320 through 20260610 contain a local file inclusion vulnerability that allows authenticated administrators to execute arbitrary code by importing a specially crafted plugin configuration containing path traversal sequences in the di…

  • Medium 6.5

    Discuz! X5.0 CAPTCHA Bypass via Predictable Character Set

    Discuz! X5.0 releases 20260320 through 20260610 contains a CAPTCHA bypass vulnerability that allows unauthenticated remote attackers to defeat challenge controls by exploiting limited complexity and predictable character sets in generated CAPTCHA images. Atta…

  • Critical 9.1
    CVE-2026-49952 Public exploit

    Discuz! X5.0 Authentication Bypass via dbbak.php Encryption Oracle

    Discuz! X5.0 releases 20260320 through 20260501 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to gain unauthorized access to database backup and restore functionality by exploiting a shared cryptographic key betw…