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    CVE-2025-29458

    An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Change Avatar function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation.

    Published:Apr 17, 2025
    Last Modified:Apr 24, 2025
    EPS:Apr 17, 2025
    EPSS Score:0.00153
    CVSS Score:7.6

    Affected Products

    Vendor
    Mybb
    Product
    Mybb

    Exploits

    https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-45120 (CVSS 5.4) — MyBB is free and open source forum software. Prior to 1.8.40, the calendar module does not verify private even…
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    CVE-2026-45125 (CVSS 5.3) — MyBB is free and open source forum software. Prior to 1.8.40, the Email User controller does not sanitize send…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High