CVE-2021-40094 json
A DOM-based XSS vulnerability affects SquaredUp for SCOM 5.2.1.6654.
published 2021-12-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27283
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
A DOM-based XSS vulnerability affects SquaredUp for SCOM 5.2.1.6654. If successfully exploited, this vulnerability may allow attackers to inject malicious code into a user's device.
Patch / fix
- squaredup squaredup 5.3.1
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
vendor-advisory
-
support.squaredup.com
/hc/en-us/articles/4410656395537-CVE-2021-40094-DOM-based-stored-cross-site-scripting
vendor-advisory
Sources
- CVE List CVE-2021-40094
- NVD CVE-2021-40094
Fencer Vulns 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.