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TI-2026-82586 Aliases CVE-2026-116866GHSA-hmv8-mc55-qxpx

PHP object injection in Dotstore Extra Fees Plugin for WooCommerce

Priority MEDIUM 40CWE-502Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The Extra Fees Plugin for WooCommerce by Dotstore, through 4.4.0, is affected. The plugin unserializes untrusted data (CWE-502), which lets crafted input be processed as PHP objects. A remote attacker with low privileges, such as a contributor account, can exploit this without user interaction, with high impact on confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Contributor PHP Object Injection in Extra Fees Plugin for WooCommerce <= 4.4.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00288 21st 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DotstoreExtra Fees Plugin for WooCommerceup to 4.4.0—No fix listedCNA
  • Extra Fees Plugin for WooCommerce VendorDotstore Affected up to 4.4.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Extra Fees Plugin for WooCommerce.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-116866
  2. 2026-10-29 Alias added: GHSA-hmv8-mc55-qxpx
  3. 2026-10-30 CISA SSVC decision points changed
  4. 2026-10-30 Priority changed: MEDIUM → LOW
  5. 2026-10-31 Priority changed: LOW → MEDIUM

References

Other 1

  • TI-2026-17936 WordPress Woocommerce Category Banner Management plugin <= 2.5.1 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-56410 WordPress WooCommerce Product Attachment plugin <= 2.3.4 - Sensitive Data Exposure vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-20557 WordPress Fraud Prevention For Woocommerce plugin <= 2.3.3 - Arbitrary Content Deletion vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-63410 WordPress Hide Shipping Method For WooCommerce plugin <= 1.5.4 - PHP Object Injection vulnerability CVSS 3.1HIGH 7.2
  • TI-2026-63083 WordPress Minimum and Maximum Quantity for WooCommerce plugin <= 2.1.2 - PHP Object Injection vulnerability CVSS 3.1HIGH 7.2
  • TI-2024-36467 WordPress Advance Menu Manager plugin <= 3.1.1 - Settings Change vulnerability CVSS 3.1HIGH 7.1
See all 11 →

Sources

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