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TI-2026-69918 Aliases CVE-2026-94166GHSA-p68x-hxrq-4p9m

Reflected cross-site scripting in WordPress UpSolution Core plugin

Priority LOW 30CWE-79Published · Updated

Key facts

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

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

Summary

UpSolution Core, a WordPress plugin, is affected through version 8.44. Input is not neutralized when web pages are generated, which allows reflected cross-site scripting (CWE-79). A remote attacker with no privileges can make a user who opens a crafted page run script in the site's context, with low confidentiality, integrity and availability impact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UpSolution UpSolution Core us-core allows Reflected XSS.This issue affects UpSolution Core: from n/a through 8.44.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00175 7th 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
UpSolutionUpSolution Coreup to 8.44—No fix listedCNA
  • UpSolution Core VendorUpSolution Affected up to 8.44 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for UpSolution Core.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-09 Threatist record created from CVE-2026-94166
  2. 2026-10-09 Alias added: GHSA-p68x-hxrq-4p9m
  3. 2026-10-10 CISA SSVC decision points changed
  4. 2026-10-10 Priority changed: MEDIUM → LOW

References

  • TI-2026-69942 SQL injection in WordPress UpSolution Core plugin CVSS 3.1HIGH 8.5
  • TI-2023-27796 WordPress UpSolution Core Plugin <= 8.17.4 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
  • TI-2026-20168 WordPress UpSolution Core plugin <= 8.41 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1

Sources