CVE-2026-59556 acowebs CVE debrief

Who should care

Users of Dynamic Pricing With Discount Rules for WooCommerce plugin versions <= 4.5.11 should be aware of this Unauthenticated Cross Site Scripting (XSS) vulnerability. This includes site administrators, security teams, and anyone responsible for maintaining or securing WordPress installations that use the affected plugin. These individuals should review their installations and update to a version greater than 4.5.11 to mitigate this risk. Additionally, they should monitor their sites for potential exploitation and implement additional security measures to prevent XSS attacks.

Technical summary

CVE-2026-59556 is an Unauthenticated Cross Site Scripting (XSS) vulnerability in Dynamic Pricing With Discount Rules for WooCommerce plugin versions <= 4.5.11. The vulnerability allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to unauthorized actions or data breaches. This type of vulnerability can be particularly damaging because it does not require authentication, making it easier for attackers to exploit. The vulnerability has a CVSS score of 7.1 and a HIGH severity rating, indicating a significant risk to affected systems. Users of the affected plugin should review their installations and update to a version greater than 4.5.11 to mitigate this risk.

Defensive priority

High priority should be given to updating Dynamic Pricing With Discount Rules for WooCommerce plugin to a version greater than 4.5.11. This vulnerability is particularly concerning due to its unauthenticated nature and high severity rating, making it a prime target for attackers. Site administrators and security teams should treat this as a critical update and apply it as soon as possible to prevent potential exploitation.

Recommended defensive actions

• Update Dynamic Pricing With Discount Rules for WooCommerce plugin to a version greater than 4.5.11
• Review and monitor plugin usage for potential exploitation
• Implement additional security measures to prevent XSS attacks
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

Evidence for CVE-2026-59556 comes from the NVD and Patchstack. The CVE record was published on 2026-07-27T15:17:05.620Z and last modified on 2026-07-27T17:46:02.447Z. The vulnerability is confirmed to exist in Dynamic Pricing With Discount Rules for WooCommerce plugin versions <= 4.5.11. However, the exact technical details of the vulnerability, such as the specific code affected and the potential impact on systems, are not publicly disclosed beyond the CVE and NVD entries. Defenders should verify the presence of the vulnerability in their environments and review the official advisory for specific guidance on mitigation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.