CVE-2024-0855 json
Spiffy Calendar < 4.9.9 - Broken Access Control
published 2024-02-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-16638
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
The Spiffy Calendar WordPress plugin before 4.9.9 doesn't check the event_author parameter, and allows any user to alter it when creating an event, leading to deceiving users/admins that a page was created by a Contributor+.
Patch / fix
- Unknown Spiffy Calendar 4.9.9
- spiffyplugins spiffy_calendar 4.4.9
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/5d5da91e-3f34-46b0-8db2-354a88bdf934/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown Spiffy Calendar
- spiffyplugins spiffy_calendar
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/5d5da91e-3f34-46b0-8db2-354a88bdf934/
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2024-0855
- NVD CVE-2024-0855
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.