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CVE-2026-16620 – Unauthenticated Price Manipulation – WPC Name Your Price for WooCommerce before 2.2

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Summary

CVE-2026-16620 is an unauthenticated price manipulation vulnerability in the WPC Name Your Price for WooCommerce WordPress plugin in all versions before 2.2.5. The plugin fails to enforce server-side price validation for products in "Select" price mode, letting attackers complete orders at arbitrary prices below merchant-defined limits. It carries a HIGH severity CVSS v3.1 base score of 7.5.

Technical details

  • Root cause: Inadequate server-side validation of the pricing allowlist for products configured in "Select" pricing mode; the plugin trusts client-supplied price values instead of enforcing merchant-defined limits.
  • Trigger conditions: An attacker adds a "Select" mode product to the cart at an arbitrary value below the merchant-defined allowed prices and proceeds to checkout.
  • Attack vector: Network, unauthenticated, no user interaction required.
  • Impact: Integrity violation allowing orders to be completed at manipulated prices, resulting in revenue loss. This is a distinct issue from CVE-2025-12115, whose fix addressed only custom pricing when Name Your Price is disabled.

Affected software

  • WPC Name Your Price for WooCommerce: all versions before 2.2.5.

Severity

  • CVSS v3.1 Base Score: 7.5 (HIGH)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Mitigation and recommended actions

  • Immediate: Upgrade WPC Name Your Price for WooCommerce to version 2.2.5 or later.
  • If no patch can be applied: Restrict or disable "Select" pricing mode products, and validate/monitor order prices server-side against expected values to detect manipulated orders.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw HTTP response body: /wp-content/plugins/wpc-name-your-price/

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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  • Confirmation of verified exploitable assets
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