CVE-2021-23562
An attacker would need to trick a user to upload this kind of file.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This affects the package plupload before 2.3.9. A file name containing JavaScript code could be uploaded and run. An attacker would need to trick a user to upload this kind of file.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.03% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- tiny/plupload
- Source
- report@snyk.io
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226Broken Link
- https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fbPatch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909Patch, Third Party Advisory
- https://github.com/moxiecode/plupload/blob/master/js/jquery.plupload.queue/jquery.plupload.queue.js%23L226Broken Link
- https://github.com/moxiecode/plupload/commit/d12175d4b5fa799b994ee1bb17bfbeec55b386fbPatch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-2306665Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-2306663Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBMOXIECODE-2306664Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PLUPLOAD-1583909Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.