CVE-2026-14318Public exploitNetwork attack vector

Stored XSS via unescaped checkout label

Published Jul 30, 2026 · Updated Jul 30, 2026

Stored XSS in GiveWP before 4.16.3 allows remote authenticated users to run scripts in visitors' browsers through a donation form. The legacy template inserts the checkout_label setting into submit-input attributes without escaping, so injected markup becomes executable. GiveWP Worker access and an option-based form are required; any visitor loading the public form executes the stored script in the site origin.

CVSS severity6.8
Medium
EPSS probability0.31%
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 GiveWP before 4.16.3 allows remote authenticated users to run scripts in visitors' browsers through a donation form. The legacy template inserts the checkout_label setting into submit-input attributes without escaping, so injected markup becomes executable. GiveWP Worker access and an option-based form are required; any visitor loading the public form executes the stored script in the site origin.

The record

CVE
CVE-2026-14318
Published
Jul 30, 2026
Updated
Jul 30, 2026
Vendor
The Events Calendar
Product
GiveWP
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 30, 2026Record 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 <4.16.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

The Events Calendar · GiveWPversion=0 <4.16.3

Published CVSS scores

6.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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