CVE-2025-5323 – Fossasia Open-Event-Server Encryption Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2025-5323 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 29, 2025

    Action Type Old Value New Value
    Added Description A vulnerability, which was classified as problematic, has been found in fossasia open-event-server 1.19.1. This issue affects the function send_email_change_user_email of the file /fossasia/open-event-server/blob/development/app/api/helpers/mail.py of the component Mail Verification Handler. The manipulation leads to reliance on obfuscation or encryption of security-relevant inputs without integrity checking. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
    Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:H/Au:N/C:N/I:P/A:N)
    Added CWE CWE-325
    Added CWE CWE-649
    Added Reference https://gist.github.com/superboy-zjc/31ecea91b304b8dd9871ad507467ca61
    Added Reference https://gist.github.com/superboy-zjc/31ecea91b304b8dd9871ad507467ca61#proof-of-concept
    Added Reference https://vuldb.com/?ctiid.310493
    Added Reference https://vuldb.com/?id.310493
    Added Reference https://vuldb.com/?submit.580256
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