CVE-2020-21517

Name: CVE-2020-21517
Creator: NVD / NIST
Published: 2021-06-21T15:15:07.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.23%

Last modified Jun 17, 2026

CVE-2020-21517 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability in MetInfo 7.0.0 via the gourl parameter in login.php.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerability in MetInfo 7.0.0 via the gourl parameter in login.php.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Metinfo	Metinfo	7.0.0

References

http://metinfo.comBroken Link
https://github.com/lvyyevd/cms/blob/master/metinfo/metinfo7.0.0.mdExploit, Third Party Advisory
https://u.mituo.cn/api/metinfo/download/7.0.0Third Party Advisory
http://metinfo.comBroken Link
https://github.com/lvyyevd/cms/blob/master/metinfo/metinfo7.0.0.mdExploit, Third Party Advisory
https://u.mituo.cn/api/metinfo/download/7.0.0Third Party Advisory

Timeline

Published: Jun 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21517?

Cross Site Scripting (XSS) vulnerability in MetInfo 7.0.0 via the gourl parameter in login.php.

How severe is CVE-2020-21517?

CVE-2020-21517 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21517?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-21517?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST