CVE-2020-35971 json
A storage XSS vulnerability is found in YzmCMS v5.8, which can be used by attackers to inject JS code and attack malicious XSS on the /admi…
published 2021-06-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23554
- 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
A storage XSS vulnerability is found in YzmCMS v5.8, which can be used by attackers to inject JS code and attack malicious XSS on the /admin/system_manage/user_config_edit.html page.
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/yzmcms/yzmcms/issues/54 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
/yzmcms/yzmcms/issues/54
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2020-35971
- NVD CVE-2020-35971
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.