CVE-2020-21517 json
Cross Site Scripting (XSS) vulnerability in MetInfo 7.0.0 via the gourl parameter in login.php.
published 2021-06-21 5 y ago modified 2026-07-09 4 mo ago also EUVD-2020-14285
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Cross Site Scripting (XSS) vulnerability in MetInfo 7.0.0 via the gourl parameter in login.php.
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/lvyyevd/cms/blob/master/metinfo/metinfo7.0.0.md 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 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/lvyyevd/cms/blob/master/metinfo/metinfo7.0.0.md
exploit, third-party-advisory
-
u.mituo.cn
/api/metinfo/download/7.0.0
third-party-advisory
Sources
- CVE List CVE-2020-21517
- NVD CVE-2020-21517
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