CVE-2020-20586 json
A cross site request forgery (CSRF) vulnerability in the /xyhai.php?s=/Auth/editUser URI of XYHCMS V3.6 allows attackers to edit any inform…
published 2021-07-08 5 y ago modified 2026-07-09 4 mo ago also EUVD-2020-13372
- cvss
- 4.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
A cross site request forgery (CSRF) vulnerability in the /xyhai.php?s=/Auth/editUser URI of XYHCMS V3.6 allows attackers to edit any information of the administrator such as the name, e-mail, and password.
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/0xyu/PHP_Learning/issues/4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/0xyu/PHP_Learning/issues/4
exploit, third-party-advisory
-
xyhcms.com
/Show/download/id/2/at/0.html
broken-link
Sources
- CVE List CVE-2020-20586
- NVD CVE-2020-20586
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.