CVE Feed

    Dashboard / CVE / CVE-2021-47899

    CVE-2021-47899

    YetiShare File Hosting Script 5.1.0 contains a server-side request forgery vulnerability that allows attackers to read local system files through the remote file upload feature. Attackers can exploit the url parameter in the url_upload_handler endpoint to access sensitive files like /etc/passwd by using file:/// protocol.

    Published:Jan 23, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 23, 2026
    EPSS Score:0.00066
    CVSS Score:4

    Affected Products

    Vendor
    Mfscripts
    Product
    Yetishare

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2019-20060 (CVSS 7.5) — MFScripts YetiShare v3.5.2 through v4.5.4 places sensitive information in the Referer header. If this leaks, t…
    CVE-2019-20061 (CVSS 7.5) — The user-introduction email in MFScripts YetiShare v3.5.2 through v4.5.4 may leak the (system-picked) password…
    CVE-2019-20062 (CVSS 9.8) — MFScripts YetiShare v3.5.2 through v4.5.4 might allow an attacker to reset a password by using a leaked hash (…
    CVE-2019-20059 (CVSS 8.8) — payment_manage.ajax.php and various *_manage.ajax.php in MFScripts YetiShare 3.5.2 through 4.5.4 directly inse…
    CVE-2019-19806 (CVSS 5.3) — _account_forgot_password.ajax.php in MFScripts YetiShare 3.5.2 through 4.5.3 displays a message indicating whe…
    CVE-2019-19805 (CVSS 5.3) — _account_forgot_password.ajax.php in MFScripts YetiShare 3.5.2 through 4.5.3 takes a different amount of time …
    CVE-2019-19738 (CVSS 6.1) — log_file_viewer.php in MFScripts YetiShare 3.5.2 through 4.5.3 does not sanitize or encode the output from the…
    CVE-2019-19737 (CVSS 8.8) — MFScripts YetiShare 3.5.2 through 4.5.3 does not set the SameSite flag on session cookies, allowing the cookie…
    CVE-2019-19736 (CVSS 6.1) — MFScripts YetiShare 3.5.2 through 4.5.3 does not set the HttpOnly flag on session cookies, allowing the cookie…
    CVE-2019-19735 (CVSS 9.1) — class.userpeer.php in MFScripts YetiShare 3.5.2 through 4.5.3 uses an insecure method of creating password res…

    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