SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-28121

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.

CRITICAL 9.8EPSS 87.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 87.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
87.45% probability · 100th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-287
Affected
automattic/woocommerce payments · automattic/woopayments
Source
support@hackerone.com
EPSS trend
0%45%90%3 November 2026: 87.45%3 November 20263 November 2026

EPSS 87.4% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.