PT-2026-56792 · WordPress · Loopus Wp Cost Estimation & Payment Forms Builder

Luc Huynh · Published 2026-07-09 · Updated 2026-07-09 · CVE-2026-9253

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WP Cost Estimation & Payment Forms Builder (E&P Forms) versions prior to 10.5.98

Description Stored Cross-Site Scripting occurs due to insufficient input sanitization and output escaping. This allows unauthenticated attackers to inject arbitrary web scripts through the customerInfos parameter, which execute when a user accesses the affected page.

Recommendations Update the plugin to version 10.5.98 or later. As a temporary mitigation, restrict or sanitize the input provided to the customerInfos parameter.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-9253

Affected Products

Loopus Wp Cost Estimation & Payment Forms Builder

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-9253 · Security Note
• https://twitter.com/CVEnew/status/2075229347477119065 · Twitter Post
• https://twitter.com/infoflowcloud/status/2075230131916836966 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/2bf0832c-13ed-4e53-9847-d5d2110eb3f8?source=cve · Note
• https://loopus-plugins.com/plugins/wp-cost-estimation-payments-forms · Note