What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-01-21 · updated 2026-06-17
• Weakness: CWE-73

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.

Affected products

• NodeBB Plugin Emoji: 3.2.1

References

• https://github.com/NodeBB/nodebb-plugin-emoji
• https://nodebb.org/
• https://www.exploit-db.com/exploits/49813
• https://www.vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write

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