PT-2026-3793 · Nodebb · Nodebb Plugin Emoji

1F98D · Published 2026-01-21 · Updated 2026-01-26 · CVE-2021-47746

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions NodeBB Plugin Emoji version 3.2.1

Description The NodeBB Plugin Emoji version 3.2.1 has a flaw that allows administrative users to write files to arbitrary system locations. This is possible through the emoji upload API by manipulating the file path parameter, enabling directory traversal and system file overwrites. An attacker with administrative privileges can craft file upload requests to achieve this.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Weakness Enumeration

CWE-73

Related Identifiers

CVE-2021-47746

Affected Products

Nodebb Plugin Emoji

References · 7

• 🔥 https://exploit-db.com/exploits/49813 · Exploit
• https://osv.dev/vulnerability/CVE-2021-47746 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47746 · Security Note
• https://github.com/NodeBB/nodebb-plugin-emoji · Note
• https://vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write · Note
• https://nodebb.org · Note
• https://twitter.com/cracbot/status/2015741570549743701 · Twitter Post