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.
References (5)
Core 5
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.310493
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.310493
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.580256
Various Sources related
https://gist.github.com/superboy-zjc/31ecea91b304b8dd9871ad507467ca61
Various Sources exploit
https://gist.github.com/superboy-zjc/31ecea91b304b8dd9871ad507467ca61#proof-of-concept
Scores
CVSS v3
3.7
EPSS
0.0004
EPSS Percentile
12.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-325
CWE-649
Status
published
Products (1)
fossasia/open-event-server
1.19.1
Published
May 29, 2025
Tracked Since
Feb 18, 2026