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TI-2025-04778 Aliases CVE-2025-5323GHSA-hgw8-7xf9-389h

fossasia open-event-server Mail Verification mail.py send_email_change_user_email…

Priority MEDIUM 61CWE-325Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
fossasiaopen-event-server1.19.1—No fix listedCNA
  • open-event-server Vendorfossasia Affected 1.19.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-5323
  2. 2026-10-03 Alias added: GHSA-hgw8-7xf9-389h

References

Exploit 1

Other 1

  • TI-2026-45051 Open Event Server 1.19.1 Unauthenticated Member Roster Export via CSV Export Endpoint CVSS 4.0HIGH 8.7
  • TI-2020-03528 Directory Traversal Vulnerability in SUSI.AI Server CVSS 3.1CRITICAL 9.1
  • TI-2026-85470 Authorization bypass in eventyay-exhibition leaks attendee data CVSS 4.0LOW 2.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences