CVE-2022-29434

MEDIUM

Spiffy Calendar <= 4.9.0 - Insecure Direct Object Reference in Event Editing

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-29434. PoCs published by certuscyber.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2022-29434, an IDOR vulnerability in the WordPress Spiffy Calendar plugin. The PoC demonstrates how a low-privileged user (e.g., Contributor) can delete arbitrary events by manipulating the 'event' parameter in a delete request.

Description

Insecure Direct Object References (IDOR) vulnerability in Spiffy Plugins Spiffy Calendar <= 4.9.0 at WordPress allows an attacker to edit or delete events.

Exploits (1)

github WORKING POC 3 stars
by certuscyber · pythonpoc
https://github.com/certuscyber/cve-pocs/tree/main/CVE-2022-29434

This repository contains a functional PoC for CVE-2022-29434, an IDOR vulnerability in the WordPress Spiffy Calendar plugin. The PoC demonstrates how a low-privileged user (e.g., Contributor) can delete arbitrary events by manipulating the 'event' parameter in a delete request.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: WordPress Spiffy Calendar plugin <= 4.9.0
Auth required
Prerequisites: WordPress Spiffy Calendar plugin <= 4.9.0 · Contributor-level access or higher · Valid credentials for authentication
devstral-2 · analyzed Feb 27, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 6.3
EPSS 0.0066
EPSS Percentile 46.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-639
Status published
Products (2)
Spiffy Plugins/Spiffy Calendar <= 4.9.0 - 4.9.0
spiffyplugins/spiffy_calendar < 4.9.0
Published May 20, 2022
Tracked Since Feb 18, 2026