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Vulnerability record · CVE-2020-20299 · published 18 December 2020

CVE-2020-20299: Weiphp vulnerability

WWeiphp · Weiphp

WeiPHP 5.0 does not properly restrict access to pages, related to using POST.

7.5 CVSS 3.1 High EPSS 1.5% · top 27.2%
7.5CVSS 3.1 base score, v2 5.0
1.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

WeiPHP 5.0 does not properly restrict access to pages, related to using POST.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Y4er/Y4er.com/blob/master/content/post/weiphp5-unauthorized.md ExploitThird Party Advisory
https://github.com/Y4er/Y4er.com/blob/master/content/post/weiphp5-unauthorized.md ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-20300Weiphp sql injection vulnerabilitySQL injection vulnerability in the wp_where function in WeiPHP 5.0.EPSS 8.8%8.7CVE-2025-34045Weiphp path traversal vulnerabilityA path traversal vulnerability exists in WeiPHP 5.0, an open source WeChat public account platform development framework by Shenzhen Yuanmengyun Tech…EPSS 4.3%8.4CVE-2025-55849Weiphp sql injection vulnerabilityWeiPHP v5.0 and before is vulnerable to SQL Injection via the SucaiController.class.php file and the cancelTemplateeEPSS 0.20%

Source: NIST National Vulnerability Database (record CVE-2020-20299), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.