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TI-2026-08129 Aliases CVE-2026-9253GHSA-vm5v-xgw5-w82m

Cross-site scripting in loopus WP Cost Estimation & Payment Forms Builder

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

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

Summary

The 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
loopusWP Cost Estimation & Payment Forms Builderup to 10.5.97—No fix listedCNA
loopusWP Cost Estimation & Payment Forms Builderup to 10.5.97—No fix listedCNA
  • WP Cost Estimation & Payment Forms Builder Vendorloopus Affected up to 10.5.97 Fixed in — No fix listed CNA
  • WP Cost Estimation & Payment Forms Builder Vendorloopus Affected up to 10.5.97 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-9253
  2. 2026-10-03 Alias added: GHSA-vm5v-xgw5-w82m

References

Other 2

  • TI-2019-15350 WP Cost Estimation <= 9.642 - Missing Authorization to Arbitrary File Upload/Delete CVSS 3.1CRITICAL 9.8
  • TI-2026-22456 WordPress WP Attractive Donations System - Easy Stripe & Paypal donations plugin <= 1.25 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
  • TI-2026-19636 WordPress WP Cost Estimation & Payment Forms Builder plugin < 10.3.0 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
  • TI-2025-16597 Missing authorization in loopus WP Attractive Donations System - Easy Stripe & Paypal… CVSS 3.1HIGH 7.5
  • TI-2024-20213 WordPress WP Cost Estimation & Payment Forms Builder plugin <= 10.1.75 - SQL Injection vulnerability CVSS 3.1HIGH 8.5
  • TI-2019-15349 WP Cost Estimation < 9.660 - Upload Directory Traversal CVSS 3.1MEDIUM 6.5
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences