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TI-2023-00509 Aliases CVE-2023-0538GHSA-6x72-2h6h-rcwq

Campaign URL Builder < 1.8.2 - Contributor+ Stored XSS

Priority MEDIUM 58CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The Campaign URL Builder WordPress plugin before 1.8.2 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00444 38th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Campaign URL Builder (Unknown): 1.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownCampaign URL Builderbefore 1.8.21.8.2Patch availableCNA
  • Campaign URL Builder VendorUnknown Affected before 1.8.2 Fixed in 1.8.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:campaign_url_builder_project:campaign_url_builder:*:*:*:*:*:wordpress:*:*before 1.8.2VulnerableCampaign Url Builder Project
  • cpe:2.3:a:campaign_url_builder_project:campaign_url_builder:*:*:*:*:*:wordpress:*:* Versions before 1.8.2 Vulnerable ·Campaign Url Builder Project

Remediation

  • Fix · CNA Campaign URL Builder (Unknown) Fixed in 1.8.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0538
  2. 2026-10-03 Alias added: GHSA-6x72-2h6h-rcwq

References

Sources