Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-34667— Calendar_plugin <= 1.0 Reflected Cross-Site Scripting

Quick assessment

Affected
Calendar_plugin Calendar_plugin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress的Calendar_plugin插件存在跨站脚本漏洞，该漏洞源于~/Calendar.PHP文件中使用的$u SERVER[PHPu SELF]易受到跨站点脚本攻击，攻击者可利用该漏洞在1.0及以下的版本中插入任意web脚本

CVSS 6.1 · Medium EPSS 0.90% · P56

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-34667

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Calendar_plugin <= 1.0 Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Calendar_plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of `$_SERVER['PHP_SELF']` in the ~/calendar.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress的Calendar_plugin插件存在跨站脚本漏洞，该漏洞源于~/Calendar.PHP文件中使用的$u SERVER[PHPu SELF]易受到跨站点脚本攻击，攻击者可利用该漏洞在1.0及以下的版本中插入任意web脚本
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Calendar_plugin Calendar_plugin 1.0 ~ 1.0 -

II. Public POCs for CVE-2021-34667

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-34667

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-34667 (1)

Vendor Advisories for CVE-2021-34667 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2021-34667

No comments yet

Leave a comment