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CVE-2021-47746— NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write

Quick assessment

Affected
NodeBB NodeBB Plugin Emoji
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.

Emoji for NodeBB是NodeBB开源的一个表情符号插件。 Emoji for NodeBB 3.2.1版本存在安全漏洞，该漏洞源于通过表情符号上传API存在任意文件写入，可能导致覆盖系统文件。

CVSS 7.5 · High EPSS 0.75% · P54
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I. Basic Information for CVE-2021-47746

Vulnerability Information
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Vulnerability Title
NodeBB Plugin Emoji 3.2.1 - Arbitrary File Write
Source: CVE Program / CVE List V5
Vulnerability Description
NodeBB Plugin Emoji 3.2.1 contains an arbitrary file write vulnerability that allows administrative users to write files to arbitrary system locations through the emoji upload API. Attackers with admin access can craft file upload requests with directory traversal to overwrite system files by manipulating the file path parameter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Emoji for NodeBB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emoji for NodeBB是NodeBB开源的一个表情符号插件。 Emoji for NodeBB 3.2.1版本存在安全漏洞，该漏洞源于通过表情符号上传API存在任意文件写入，可能导致覆盖系统文件。
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
NodeBB NodeBB Plugin Emoji 3.2.1 -

II. Public POCs for CVE-2021-47746

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III. Intelligence Information for CVE-2021-47746

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Vendor Advisories for CVE-2021-47746 (1)

IV. Related Vulnerabilities

Same vendor: NodeBB
Same weakness: CWE-73

V. Comments for CVE-2021-47746

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