CVE-2022-23640
Improper Restriction of XML External Entity Reference in com.monitorjbl:xlsx-streamer
Description
### Impact Prior to xlsx-streamer 2.1.0, the XML parser that was used did not apply all the necessary settings to prevent XML Entity Expansion issues. ### Patches Upgrade to version 2.1.0. ### Workarounds No known workaround. ### References https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73 ### For more information If you have any questions or comments about this advisory: * Open an issue in [monitorjbl/excel-streaming-reader](https://github.com/monitorjbl/excel-streaming-reader)
How to fix CVE-2022-23640
To remediate CVE-2022-23640, upgrade the affected package to a fixed version below.
- —upgrade to 2.1.0 or later
Is CVE-2022-23640 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.1.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |