CVE-2022-1054Public exploitNetwork attack vector

Unauthenticated attendee-data disclosure via unguarded export

Published Apr 18, 2022 · Updated Aug 2, 2024

Missing authorization in WP Chill RSVP and Event Management before 2.7.8 allows remote attackers to export attendee PII. Its entries-export handler runs on the WordPress init action and serves an export request without checking authorization. No authentication is required; a crafted request returns a CSV containing registrants' names, email addresses, RSVP details, and notes.

CVSS severity5.3
Medium
EPSS probability4.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in WP Chill RSVP and Event Management before 2.7.8 allows remote attackers to export attendee PII. Its entries-export handler runs on the WordPress init action and serves an export request without checking authorization. No authentication is required; a crafted request returns a CSV containing registrants' names, email addresses, RSVP details, and notes.

The record

CVE
CVE-2022-1054
Published
Apr 18, 2022
Updated
Aug 2, 2024
Vendor
WP Chill
Product
RSVP and Event Management
Classifications
CWE-862, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 18, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.7.2 <2.7.2*
  2. Affected versionversion=2.7.8 <2.7.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WP Chill · RSVP and Event Managementversion=2.7.2 <2.7.2*; version=2.7.8 <2.7.8

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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