CVE-2024-10703Public exploitNetwork attack vector

Stored XSS via unescaped template setting

Published Mar 25, 2025 · Updated Mar 25, 2025

Stored XSS in Roundup WP Registrations for the Events Calendar before 2.13.4 allows remote authenticated users to execute script in browsers. The Custom Text/Labels template setting stores an event-handler payload without sanitizing or escaping it before rendering. Administrator access is required, and exploitation remains possible when unfiltered_html is disabled; a victim must hover over the rendered setting.

CVSS severity6.1
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Roundup WP Registrations for the Events Calendar before 2.13.4 allows remote authenticated users to execute script in browsers. The Custom Text/Labels template setting stores an event-handler payload without sanitizing or escaping it before rendering. Administrator access is required, and exploitation remains possible when unfiltered_html is disabled; a victim must hover over the rendered setting.

The record

CVE
CVE-2024-10703
Published
Mar 25, 2025
Updated
Mar 25, 2025
Vendor
Roundup WP
Product
Registrations for the Events Calendar
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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=0 <2.13.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Roundup WP · Registrations for the Events Calendarversion=0 <2.13.4

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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