WP Cost Estimation & Payment Forms Builder (E&P Forms) <= 10.5.97 - Unauthenticated Stored Cross-Site Scripting via 'customerInfos' Parameter

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Summary

CVECVE-2026-9253
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-09 12:16:25 UTC
Updated2026-07-09 16:19:45 UTC
DescriptionThe WP Cost Estimation & Payment Forms Builder (E&P Forms) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'customerInfos' parameter in all versions up to, and including, 10.5.97 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS: 0.002040000 probability, percentile 0.104430000 (date 2026-07-13)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Loopus WP Cost Estimation Payment Forms Builder affected 10.5.97 semver Not specified
CNA Loopus WP Cost Estimation Payment Forms Builder affected 10.5.97 semver Not specified

References

ReferenceSourceLinkTags
www.loopus-plugins.com/plugins/wp-cost-estimation-payments-forms [email protected] www.loopus-plugins.com
www.wordfence.com/threat-intel/vulnerabilities/id/2bf0832c-13ed-4e53-9847-d5d21... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Luc Huynh from Noventiq RedTeam (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-08T00:00:00.000ZDisclosed
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