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Vendor

discuz vulnerabilities

15 published CVES affecting discuz, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
15
Critical
2
High
6
Medium
7
Low
0
Unscored
0
CISA KEV
0
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Latest discuz CVEs

Newest publication first

  1. MediumCVSS 6.9 EPSS 0.36%

    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. Attackers can train a cus...

  2. CriticalCVSS 9.3 EPSS 4.7%

    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 between UCenter integrati...

  3. HighCVSS 7.1 EPSS 0.53%

    Reflected Cross-Site Scripting (XSS) vulnerability in Discuz! version X3.4 20220811, allows remote attackers to execute arbitrary code and obtain sensitive information via crafted payload to the primarybegin parameter in the misc.php component.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.