CVE-2021-20749

Description

Cross-site scripting vulnerability in Fudousan plugin ver5.7.0 and earlier, Fudousan Plugin Pro Single-User Type ver5.7.0 and earlier, and Fudousan Plugin Pro Multi-User Type ver5.7.0 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory jvn.jp Third-Party Advisory nendeb.jp Third-Party Advisory nendeb-biz.jp
Affected: nendeb 'Fudousan plugin' series
Published at:
Updated at:

References

Link Tags
https://nendeb.jp/fudou third party advisory product
https://www.nendeb-biz.jp/2021-0617-1200/ third party advisory patch
https://jvn.jp/en/jp/JVN93799513/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20749?
CVE-2021-20749 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20749?
To fix CVE-2021-20749, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20749 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20749 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20749?
CVE-2021-20749 affects nendeb 'Fudousan plugin' series.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.