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CVE-2021-23673
Cross-site Scripting (XSS)
Medium5.4EPSS 0.85%
- Published
- Updated
- Reserved
- Assigned by
- snyk
Description
This affects all versions of package pekeupload. If an attacker induces a user to upload a file whose name contains javascript code, the javascript code will be executed.
Timeline
ID reserved
By snyk
- 11 months later
· 11 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.85% · top 42% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
- Cross-site Scripting (XSS)
- CWE-79 (opens in a new tab)All about CWE-79 and its CVEs
Affected products
pekeupload
- affected < unspecified
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmpekeuploadGHSA-89q5-mj78-pw5w (opens in a new tab)
References (2)
- https://snyk.io/vuln/SNYK-JS-PEKEUPLOAD-1584360 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/moxiecode/plupload/blob/120cc0b5dd3373d7181fd11b06ac2557c890d3f0/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-89q5-mj78-pw5w (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-23673)Record last updated .