CVE-2023-28121 (GCVE-0-2023-28121)
Vulnerability from cvelistv5 – Published: 2023-04-12 00:00 – Updated: 2024-08-02 12:30Summary
An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.
Severity
9.8 (Critical)
CWE
- CWE-287 - Improper Authentication - Generic (CWE-287)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | WooCommerce Payments WordPress Plugin |
Affected:
Fixed version 5.6.2
|
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 4a78d4f2-33df-48c6-89e1-8b969f9af80a
Exploited: Yes
Timestamps
First Seen: 2023-07-17
Asserted: 2023-07-17
Scope
Notes: KEVIntel entry: An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of... | Affected: WooCommerce / WooCommerce Payments | CVSS: 9.8 (CRITICAL) | EPSS: 0.93462 | 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 | An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of... |
| Vendor | WooCommerce |
| Product | WooCommerce Payments |
| Added Date | 2023-07-17T10:27:14.000Z |
| Cvss Score | 9.8 |
| Epss Score | 0.93462 |
| Cvss Severity | CRITICAL |
| Epss Percentile | 0.99808 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-06-23 11:12 UTC
| Updated: 2026-06-23 11:12 UTC
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T12:30:24.170Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know/"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "WooCommerce Payments WordPress Plugin",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed version 5.6.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"description": "Improper Authentication - Generic (CWE-287)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-07-03T00:00:00.000Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know/"
},
{
"url": "https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2023-28121",
"datePublished": "2023-04-12T00:00:00.000Z",
"dateReserved": "2023-03-10T00:00:00.000Z",
"dateUpdated": "2024-08-02T12:30:24.170Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-28121",
"date": "2026-09-20",
"epss": "0.8651",
"percentile": "0.99728"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "WooCommerce Payments WordPress Plugin",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Fixed version 5.6.2"
}
]
}
],
"source": "support@hackerone.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "FE70E8AE-CFBB-4575-A340-DBD17C3CE853",
"versionEndExcluding": "4.8.2",
"versionStartIncluding": "4.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "519111D8-D787-4B95-91F3-9FCFF17723C3",
"versionEndExcluding": "5.0.4",
"versionStartIncluding": "5.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "47F55EC1-8DE8-4BB8-9D92-23510CB191FF",
"versionEndExcluding": "5.1.3",
"versionStartIncluding": "5.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "0D29E155-A3A0-446A-A414-B3CC66D6450B",
"versionEndExcluding": "5.2.2",
"versionStartIncluding": "5.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woocommerce_payments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "8AF27AE4-B382-4293-9E7A-1A06769DFF1D",
"versionEndExcluding": "5.5.2",
"versionStartIncluding": "5.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woopayments:*:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "AEB22CB8-53ED-4073-ADA9-8C87B4F0176F",
"versionEndExcluding": "5.6.2",
"versionStartIncluding": "5.6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woopayments:4.9.0:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "08275EF1-5695-4CC4-A4B9-8D5429C37DB1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woopayments:5.3.0:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "A4D5E491-B3BB-4D91-9DD6-845A35833F20",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:automattic:woopayments:5.4.0:*:*:*:*:wordpress:*:*",
"matchCriteriaId": "0D756027-30C4-443C-8421-62D6EFA8B2C3",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated."
}
],
"id": "CVE-2023-28121",
"lastModified": "2026-06-17T05:46:55.107",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-04-12T21:15:28.057",
"references": [
{
"source": "support@hackerone.com",
"tags": [
"Vendor Advisory"
],
"url": "https://developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know/"
},
{
"source": "support@hackerone.com",
"url": "https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://developer.woocommerce.com/2023/03/23/critical-vulnerability-detected-in-woocommerce-payments-what-you-need-to-know/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.rcesecurity.com/2023/07/patch-diffing-cve-2023-28121-to-compromise-a-woocommerce/"
}
],
"sourceIdentifier": "support@hackerone.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "support@hackerone.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-287"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T11:42:31+00:00",
"cve": "CVE-2023-28121",
"id": "CVE-2023-28121",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2023-28121",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-28121.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…