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TI-2026-71538 Aliases CVE-2026-54870GHSA-cfgw-wg5v-xf4c

Stored cross-site scripting in Weaver Xtreme Theme Support plugin

Priority LOW 28CWE-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 · Low
Fix status
No fix listed

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

Summary

The Weaver Xtreme Theme Support plugin by wpweaver, versions up to and including 7.0.1, does not neutralize input during web page generation. This is a stored cross-site scripting flaw (CWE-79). An attacker with low privileges can store script that runs in another user's browser when that user interacts with the page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpweaver Weaver Xtreme Theme Support weaverx-theme-support allows Stored XSS.This issue affects Weaver Xtreme Theme Support: from n/a through 7.0.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00127 2nd 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
wpweaverWeaver Xtreme Theme Supportup to 7.0.1—No fix listedCNA
  • Weaver Xtreme Theme Support Vendorwpweaver Affected up to 7.0.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Weaver Xtreme Theme Support.

Written with Claude Haiku 5.5 from the sources below · 2026-10-27

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-54870
  2. 2026-10-13 Alias added: GHSA-cfgw-wg5v-xf4c
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-10-13 Priority changed: MEDIUM → LOW

References

Other 1

  • TI-2023-04576 Weaver Xtreme Theme Support < 6.3.1 - Admin+ PHP Object Injection CVSS 3.1HIGH 7.2
  • TI-2023-00261 Weaver Xtreme Theme Support < 6.2.7 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2026-08795 Turnkey bbPress by WeaverTheme <= 1.7.1 - Authenticated (Administrator+) PHP Object Injection CVSS 3.1MEDIUM 6.6
  • TI-2023-01328 Weaver Show Posts <= 1.6 - Authenticated(Contributor+) Stored Cross-Site Scripting via Display Name CVSS 3.1MEDIUM 6.4
  • TI-2023-01327 Weaver Xtreme Theme <= 5.0.7 - Authenticated(Contributor+) Stored Cross-Site Scripting via Display Name CVSS 3.1MEDIUM 6.4
  • TI-2025-16171 WordPress Weaver Themes Shortcode Compatibility Plugin <= 1.0.4 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
See all 10 →

Sources

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