CVE-2025-13660Network attack vector

Unauthenticated email disclosure via public AJAX search

Published Dec 12, 2025 · Updated Dec 12, 2025

Information disclosure in RcaTheme Guest Support 1.2.3 and earlier allows remote attackers to retrieve WordPress users' email addresses. The guest_support_handler AJAX endpoint processes request=get_users without authentication or a capability check and returns matching user email data. Any network client that can reach the WordPress site can enumerate accounts and obtain associated email addresses without a session.

CVSS severity5.3
Medium
EPSS probability0.33%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in RcaTheme Guest Support 1.2.3 and earlier allows remote attackers to retrieve WordPress users' email addresses. The guest_support_handler AJAX endpoint processes request=get_users without authentication or a capability check and returns matching user email data. Any network client that can reach the WordPress site can enumerate accounts and obtain associated email addresses without a session.

The record

CVE
CVE-2025-13660
Published
Dec 12, 2025
Updated
Dec 12, 2025
Vendor
RcaTheme
Product
Guest Support
Classifications
CWE-200, T1589.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 12, 2025Record 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=* <=1.2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

RcaTheme · Guest Supportversion=* <=1.2.3

Published CVSS scores

5.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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.

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No observations available

Sep 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1589.002Gather Victim Identity Information: Email Addresses

Public exploit references

No public exploit references are available in this record.

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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