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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-25977— Piranha CMS - Stored XSS in Page Title

Quick assessment

Affected
PiranhaCMS Piranha
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.

PiranhaCms是一个用作 .Net5 的友好的以编辑器为中心的 Cms。用于集成 Cms 或无头 Api。 PiranhaCMS 7.0.0 到 9.1.1 版本中存在安全漏洞，该漏洞源于页面标题未正确清理而容易受到存储型 XSS 的攻击。通过创建带有特制页面标题的页面，低权限用户可以触发任意 JavaScript 执行。

CVSS 5.4 · Medium EPSS 0.65% · P51

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-2021-25977

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Piranha CMS - Stored XSS in Page Title
Source: CVE Program / CVE List V5
Vulnerability Description
In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
PiranhaCms 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PiranhaCms是一个用作 .Net5 的友好的以编辑器为中心的 Cms。用于集成 Cms 或无头 Api。 PiranhaCMS 7.0.0 到 9.1.1 版本中存在安全漏洞，该漏洞源于页面标题未正确清理而容易受到存储型 XSS 的攻击。通过创建带有特制页面标题的页面，低权限用户可以触发任意 JavaScript 执行。
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
PiranhaCMS Piranha 7.0.0 ~ unspecified -

II. Public POCs for CVE-2021-25977

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-25977

请登录查看更多情报信息。

Patches & Fixes for CVE-2021-25977 (1)

IV. Related Vulnerabilities

Same product: Piranha
Same vendor: PiranhaCMS
Same weakness: CWE-79

V. Comments for CVE-2021-25977

No comments yet

Leave a comment