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Authorization bypass in YITH WooCommerce Product Add-Ons plugin

Priority LOW 30CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

The YITH WooCommerce Product Add-Ons plugin for WordPress through 4.34.0 contains an authorization bypass through a user-controlled key (CWE-639). An unauthenticated remote attacker can bypass authorization checks and affect data integrity, with no confidentiality or availability impact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

Unauthenticated Bypass Vulnerability in YITH WooCommerce Product Add-Ons <= 4.34.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd 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
Yes
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
YITHYITH WooCommerce Product Add-Onsup to 4.34.0—No fix listedCNA
  • YITH WooCommerce Product Add-Ons VendorYITH Affected up to 4.34.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for YITH WooCommerce Product Add-Ons.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-107868
  2. 2026-10-30 Alias added: GHSA-pwhw-2725-hhpc
  3. 2026-10-30 CISA SSVC decision points changed

References

  • TI-2021-02214 An arbitrary file upload vulnerability in the YITH WooCommerce Gift Cards Premium plugin… CVSS 3.1CRITICAL 9.8
  • TI-2022-22325 WordPress YITH WooCommerce Gift Cards Premium Plugin <= 3.19.0 is vulnerable to Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2024-07271 YITH WooCommerce Ajax Search < 2.7.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2026-57916 WordPress YITH Request a Quote for WooCommerce Premium plugin < 4.46.0 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-31668 WordPress YITH WooCommerce Ajax Search plugin <= 2.8.0 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
  • TI-2026-12141 Improper privilege management in YITH WooCommerce Waitlist Premium CVSS 3.1HIGH 8.8
See all 55 →

Sources