CVE-2021-46087 json
In jfinal_cms >= 5.1 0, there is a storage XSS vulnerability in the background system of CMS.
published 2022-01-25 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32789
- 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 43%
- public exploits
- 0
- none known
Summary
In jfinal_cms >= 5.1 0, there is a storage XSS vulnerability in the background system of CMS. Because developers do not filter the parameters submitted by the user input form, any user with background permission can affect the system security by entering malicious code.
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/jflyfox/jfinal_cms/issues/19 referenced PoC, tagged "exploit" by a source, unverified
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
-
github.com
/jflyfox/jfinal_cms/issues/19
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-46087
- NVD CVE-2021-46087
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