CVE-2021-20672 json
Reflected cross-site scripting vulnerability due to insufficient verification of URL query parameters in GROWI (v4.2 Series) versions from…
published 2021-03-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8090
- cvss
- 6.1
- 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 61%
- public exploits
- 0
- none known
Summary
Reflected cross-site scripting vulnerability due to insufficient verification of URL query parameters in GROWI (v4.2 Series) versions from v4.2.0 to v4.2.7 allows remote attackers to inject an arbitrary script via unspecified vectors.
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- WESEEK, Inc. GROWI (v4.2 Series)
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
weseek.co.jp
/security/2021/03/09/vulnerability/growi-prevent-xss5/
vendor-advisory
-
jvn.jp
/en/jp/JVN86438134/index.html
third-party-advisory
Sources
- CVE List CVE-2021-20672
- NVD CVE-2021-20672
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