CVE-2020-9390 json
SquaredUp allowed Stored XSS before version 4.6.0.
published 5y ago modified 4mo ago also EUVD-2020-30211
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
SquaredUp allowed Stored XSS before version 4.6.0. A user was able to create a dashboard that executed malicious content in iframe or by uploading an SVG that contained a script.
Patch / fix
- squaredup squaredup 4.6
Is CVE-2020-9390 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.squaredup.com
/hc/en-us/articles/360017568258
vendor-advisory
-
support.squaredup.com
/hc/en-us/articles/360019427258-CVE-2020-9390-Stored-cross-site-scripting
broken-link
- scomsupport.squaredup.com /hc/en-us/articles/8862922003869-CVE-2020-9390-Stored-cross-site-scripting-Web-Content-and-Visio-tile-
Sources
- CVE List CVE-2020-9390
- NVD CVE-2020-9390
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.