Vulnerability in Nodebb Plugin Emoji
CVE-2021-47746
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (53.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.001
Affected products
- Nodebb Plugin Emoji — versions 3.2.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49813 (exploit)
- nodebb.org/ (product)
- github.com/NodeBB/nodebb-plugin-emoji (product)
- www.vulncheck.com/advisories/nodebb-plugin-emoji-arbitrary-file-write (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47746?
- CVE-2021-47746 is a high-severity vulnerability in Nodebb Plugin Emoji, classified under External Control of File Name or Path. CVSS score: 7.5/10. Published 2026-01-21.
- How severe is CVE-2021-47746?
- High severity. CVSS v3 base score is 7.5 out of 10.