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Spiffy Calendar <= 4.9.0 — Edit/Delete event via IDOR

CVE-2022-29434Published · Updated

Action summary

Affected: ≤4.9.0Update to 4.9.1 or newer

All remediation steps
Watch plugin
Severity
Medium6.3
CVSS
6.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Spiffy Calendar spiffy-calendar

  1. Affected≤ 4.9.0
  2. Patched in4.9.1

Update to 4.9.1 or newer.

You are affected if you run ≤ 4.9.0. Version 4.9.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Spiffy Calendar.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.9.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Spiffy Calendar to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to R3N0.

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 & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Spiffy Calendar

All 15
More vulnerabilities in Spiffy Calendar
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤5.0.8Update to 5.0.9
CVE-2026-39071
Medium4.3Missing Authorization
≤5.0.7Update to 5.0.8
CVE-2025-68523
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤4.9.13Update to 4.9.14
CVE-2024-45457
Medium6.1Reflected Cross-Site Scripting
≤4.9.13Update to 4.9.14
CVE-2024-45458
Medium4.9Authenticated (Admin+) SQL Injection
≤4.9.12Update to 4.9.13
CVE-2024-43969

Timeline

  1. CVE published

    Severity medium, CVSS 6.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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