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    2 vulnerabilities found for bbb-playback by bigbluebutton

    CVE-2026-27737 (GCVE-0-2026-27737)

    Vulnerability from nvd – Published: 2026-05-18 21:11 – Updated: 2026-05-19 12:11
    VLAI
    Title
    BigBlueButton has Stored XSS in bbb-playback replay
    Summary
    BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback (presentation format) was not sanitizing user's input in public chat. This allowed for a malicious actor to craft and carry out a targeted XSS attack, activated on anyone replaying the recording. This issue has been fixed 3.0.19.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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          "name": "https://github.com/blindsidenetworks/scalelite/releases/tag/v1.7.0",
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    CVE-2026-27737 (GCVE-0-2026-27737)

    Vulnerability from cvelistv5 – Published: 2026-05-18 21:11 – Updated: 2026-05-19 12:11
    VLAI
    Title
    BigBlueButton has Stored XSS in bbb-playback replay
    Summary
    BigBlueButton is an open-source virtual classroom. In versions prior to 3.0.19, the recording playback (presentation format) was not sanitizing user's input in public chat. This allowed for a malicious actor to craft and carry out a targeted XSS attack, activated on anyone replaying the recording. This issue has been fixed 3.0.19.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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