CVE-2021-39501 json
EyouCMS 1.5.4 is vulnerable to Open Redirect.
published 2021-09-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25858
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
EyouCMS 1.5.4 is vulnerable to Open Redirect. An attacker can redirect a user to a malicious url via the Logout function.
Exploit prediction
3.59% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template EyouCMS 1.5.4 Open Redirect nuclei detection template
- github.com https://github.com/eyoucms/eyoucms/issues/17 referenced PoC, tagged "exploit" by a source, unverified
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 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
github.com
/eyoucms/eyoucms/issues/17
exploit, third-party-advisory
-
github.com
/KietNA-HPT/CVE
third-party-advisory
Sources
- CVE List CVE-2021-39501
- NVD CVE-2021-39501
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