CVE-2023-3219EventON < 2.1.2 - Unauthenticated Post Access via IDOR
- 5.3MediumCVSS base score
- 7.5%Exploitation in 30 daysEPSS · top 5.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The EventON WordPress plugin before 2.1.2 does not validate that the event_id parameter in its eventon_ics_download ajax action is a valid Event, allowing unauthenticated visitors to access any Post (including unpublished or protected posts) content via the ics export functionality by providing the numeric id of the post.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits3
Nuclei templates1 template
- EventON Lite < 2.1.2 - Arbitrary File Download (Nuclei template) (opens in a new tab)
http/cves/2023/CVE-2023-3219.yamlSeverity medium
Exploit-DB1 entry
- Wordpress Plugin EventON Calendar 4.4 - Unauthenticated Post Access via IDOR (Exploit-DB entry) (opens in a new tab)
EDB-ID 51659webapps, phppublished 4 Aug 2023Not verified
References tagged exploit1 reference
- https://wpscan.com/vulnerability/72d80887-0270-4987-9739-95b1a178c1fd (opens in a new tab)exploitvdb-entrytechnical-descriptionx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By WPScan
- 27 days later
· 27 days later
Published
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 7.5% · top 5.4% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
References
References2
- https://wpscan.com/vulnerability/72d80887-0270-4987-9739-95b1a178c1fd (opens in a new tab)exploitvdb-entrytechnical-descriptionx_transferred
- http://packetstormsecurity.com/files/173992/WordPress-EventON-Calendar-4.4-Insecure-Direct-Object-Reference.html (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2023-43897 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-3219)Record last updated .