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TI-2026-38755 Aliases CVE-2026-53740GHSA-c45g-9264-93f4

Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting via Scheduled Republish Notice

Priority LOW 22CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Yoast Duplicate Post through 4.6 inserts an unescaped post title and permalink into the Classic Editor scheduled republish notice. Attackers can schedule a republish copy with a crafted title to execute script when an administrator views the resulting notice.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00141 3rd 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
YoastYoast Duplicate Postup to 4.6—No fix listedCNA
  • Yoast Duplicate Post VendorYoast Affected up to 4.6 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-2026-53740
  2. 2026-10-03 Alias added: GHSA-c45g-9264-93f4

References

Other 1

  • TI-2017-14158 Google Analytics Dashboard Plugin cross site scriting CVSS 3.1MEDIUM 6.1
  • TI-2019-15368 Duplicate-Post 3.2.3 - Persistent Cross-Site Scripting CVSS 4.0MEDIUM 4.8
  • TI-2019-10120 The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions. CVSS 3.1CRITICAL 9.8
  • TI-2023-13290 WordPress Yoast SEO: Local Plugin <= 14.8 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
  • TI-2015-02025 Multiple SQL injection vulnerabilities in admin/class-bulk-editor-list-table.php in the… CVSS 2.0MEDIUM 6.5
  • TI-2018-13725 A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in… CVSS 3.0MEDIUM 6.6
See all 27 →

Sources

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