7.5

CVE-2023-51503: automattic woopayments

CVSS: 7.5v3.1HighModified
Published 31-12-2023Last modified 28-04-2026

Vulnerability summary

CVE-2023-51503 is a high (CVSS 7.5) vulnerability in automattic woopayments. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.9% of scored vulnerabilities. Fixed in 6.7.0.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-12-2023
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Authorization Bypass Through User-Controlled Key vulnerability in Automattic WooPayments – Fully Integrated Solution Built and Supported by Woo.This issue affects WooPayments – Fully Integrated Solution Built and Supported by Woo: from n/a through 6.9.2.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Automattic2 products
Wordpress1 product
  • woocommerce-payments≤ 6.6.2 (fixed in 6.7.0)

2 vendors · 3 products

References

2 links