How severe is CVE-2020-29156?

CVE-2020-29156 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-29156 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29156?

CVE-2020-29156 affects Woocommerce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29156?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-29156 published?

CVE-2020-29156 was published on 2020-12-27 and last updated on 2026-06-17.

CVE-2020-29156

CVE-2020-29156 is a medium-severity vulnerability in Woocommerce with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Woocommerce
Published: 2020-12-27
Last modified: 2026-06-17

Description

The WooCommerce plugin before 4.7.0 for WordPress allows remote attackers to view the status of arbitrary orders via the order_id parameter in a fetch_order_status action.

Frequently asked questions

What is CVE-2020-29156?: The WooCommerce plugin before 4.7.0 for WordPress allows remote attackers to view the status of arbitrary orders via the order_id parameter in a fetch_order_status action.
How severe is CVE-2020-29156?: CVE-2020-29156 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-29156 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29156?: CVE-2020-29156 affects Woocommerce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29156?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29156 published?: CVE-2020-29156 was published on 2020-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:woocommerce:woocommerce:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Woocommerce

CVE-2019-20891 — High (CVSS 8.8): WooCommerce before 3.6.5, when it handles CSV imports of products, has a cross-site request forgery (CSRF) issue with…
CVE-2017-18356 — High (CVSS 8.8): In the Automattic WooCommerce plugin before 3.2.4 for WordPress, an attack is possible after gaining access to the…
CVE-2018-20714 — High (CVSS 8.1): The logging system of the Automattic WooCommerce plugin before 3.4.6 for WordPress is vulnerable to a File Deletion…
CVE-2025-5062 — Medium (CVSS 6.1): The WooCommerce plugin for WordPress is vulnerable to PostMessage-Based Cross-Site Scripting via the 'customize-store'…
CVE-2019-9168 — Medium (CVSS 6.1): WooCommerce before 3.5.5 allows XSS via a Photoswipe caption.
CVE-2015-2329 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in the WooCommerce plugin before 2.3.6 for WordPress allows remote attackers…

All CVEs affecting Woocommerce →

Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities

CVE-2025-40805 — Critical (CVSS 10.0): Affected devices do not properly enforce user authentication on specific API endpoints. This could facilitate an…
CVE-2024-45032 — Critical (CVSS 10.0): A vulnerability has been identified in Industrial Edge Management Pro (All versions < V1.9.5), Industrial Edge…
CVE-2026-34037 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-52782 — Critical (CVSS 9.9): OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is an IDOR through…
CVE-2026-45552 — Critical (CVSS 9.9): Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior,…
CVE-2026-29200 — Critical (CVSS 9.9): A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and…

Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →