CVE-2023-2802Public exploitNetwork attack vector

Stored script execution via unescaped redirect setting

Published Aug 14, 2023 · Updated Oct 9, 2024

Stored XSS in Ultra Addons for Contact Form 7 before 3.1.29 allows remote authenticated users to inject scripts through form settings. The Pre-populate Fields Redirect URL is stored without sanitization or escaping, and the uacf7_ajax_pre_populate_redirect action outputs it. Administrator privileges and disabled unfiltered_html are required; a user who loads the affected output executes the stored script.

CVSS severity4.8
Medium
EPSS probability0.47%
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 Ultra Addons for Contact Form 7 before 3.1.29 allows remote authenticated users to inject scripts through form settings. The Pre-populate Fields Redirect URL is stored without sanitization or escaping, and the uacf7_ajax_pre_populate_redirect action outputs it. Administrator privileges and disabled unfiltered_html are required; a user who loads the affected output executes the stored script.

The record

CVE
CVE-2023-2802
Published
Aug 14, 2023
Updated
Oct 9, 2024
Vendor
Themefic
Product
Ultra Addons for Contact Form 7
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 9, 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=0 <3.1.29

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Themefic · Ultra Addons for Contact Form 7version=0 <3.1.29

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/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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