CVE-2022-29434 — Insecure Direct Object References (IDOR) vulnerability in Spiffy Plugins Spiffy

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
Spiffy Plugins	Spiffy Calendar	<= 4.9.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-05-20T20:19:54.782Z
• Last modified: 2025-02-20T20:21:11.701Z

09References

• wordpress.org — https://wordpress.org/plugins/spiffy-calendar/#developers
• patchstack.com — https://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-c…