CVE-2021-32790 (GCVE-0-2021-32790)

Vulnerability from cvelistv5 – Published: 2021-07-26 16:30 – Updated: 2024-08-03 23:33
VLAI Shadowserver KEVIntel
Title
Blind SQL Injection possible via Authenticated Web-hook Search API Endpoint
Summary
Woocommerce is an open source eCommerce plugin for WordPress. An SQL injection vulnerability impacts all WooCommerce sites running the WooCommerce plugin between version 3.3.0 and 3.3.6. Malicious actors (already) having admin access, or API keys to the WooCommerce site can exploit vulnerable endpoints of `/wp-json/wc/v3/webhooks`, `/wp-json/wc/v2/webhooks` and other webhook listing API. Read-only SQL queries can be executed using this exploit, while data will not be returned, by carefully crafting `search` parameter information can be disclosed using timing and related attacks. Version 3.3.6 is the earliest version of Woocommerce with a patch for this vulnerability. There are no known workarounds other than upgrading.
Severity
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
Impacted products
Vendor Product Version
woocommerce woocommerce Affected: >= 3.3.0, < 3.3.6
Create a notification for this product.
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b71d29b1-f9dd-434b-a531-37d69701d07c

Vulnerability ID: CVE-2021-32790

Status: Confirmed

Status Updated: 2024-04-20 23:02 UTC

Exploited: Yes

Characteristics
Severity: 49.0
Timestamps
First Seen: 2024-04-20
Asserted: 2024-04-20
Last Seen: 2024-04-20
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Wordpress / Wordpress Woocommerce plugin | Class: cms | Severity: Medium (CVSS 4.9) | IoT: no | In CISA KEV: no | Honeypot connections on 2024-04-20: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class cms
7D Avg 0
Vendor Wordpress
30D Avg 0
90D Avg 0
Product Wordpress Woocommerce plugin
Cisa Kev no
Connections 1
Observation Date 2024-04-20
Vulnerability Class CVSS
Vulnerability Score 4.9
Vulnerability Severity Medium
References
Created: 2026-06-30 10:22 UTC | Updated: 2026-06-30 12:40 UTC
KEVIntel
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a28ba911-9645-4b76-9333-57ea97aac019

Vulnerability ID: CVE-2021-32790

Status: Confirmed

Status Updated: 2021-07-26 16:30 UTC

Exploited: Yes

Timestamps
First Seen: 2021-07-26
Asserted: 2021-07-26
Scope
Notes: KEVIntel entry: Blind SQL Injection possible via Authenticated Web-hook Search API Endpoint | Affected: woocommerce / woocommerce | CVSS: 4.9 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Blind SQL Injection possible via Authenticated Web-hook Search API Endpoint
Vendor woocommerce
Product woocommerce
Added Date 2021-07-26T16:30:12.000Z
Cvss Score 4.9
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:06 UTC | Updated: 2026-06-23 14:06 UTC
Show details on NVD website
To clipboard 

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There are no known workarounds other than upgrading.\"},{\"lang\":\"es\",\"value\":\"Woocommerce es un plugin de comercio electr\u00f3nico de c\u00f3digo abierto para WordPress. Una vulnerabilidad de inyecci\u00f3n SQL afecta a todos los sitios de WooCommerce que ejecutan el plugin de WooCommerce entre las versiones 3.3.0 y 3.3.6. Los actores maliciosos (una vez) teniendo acceso de administrador, o claves de API al sitio de WooCommerce pueden explotar los endpoints vulnerables de \\\"/wp-json/wc/v3/webhooks\\\", \\\"/wp-json/wc/v2/webhooks\\\" y otras API de listado de webhooks. Unas consultas SQL de s\u00f3lo lectura pueden ser ejecutadas usando esta explotaci\u00f3n, mientras que los datos no sean devueltos, al dise\u00f1ar cuidadosamente la informaci\u00f3n del par\u00e1metro \\\"search\\\" puede ser divulgada usando ataques de tiempo y otros relacionados. La versi\u00f3n 3.3.6 es la primera versi\u00f3n de Woocommerce con un parche para esta vulnerabilidad. No se conocen otras soluciones aparte de la 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Party Advisory\"]},{\"url\":\"https://woocommerce.com/posts/critical-vulnerability-detected-july-2021/\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/woocommerce/woocommerce/security/advisories/GHSA-7vx5-x39w-q24g\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://woocommerce.com/posts/critical-vulnerability-detected-july-2021/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.