CVE-2021-20683

5.4 mediumEPSS 0.7%

Medium (5.4) in basercms basercms. EPSS 0.7% chance of exploitation in the next 30 days.

Improper neutralization of JavaScript input in the blog article editing function of baserCMS versions prior to 4.4.5 allows remote authenticated attackers to inject an arbitrary script via unspecified vectors.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-03-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

basercms:basercms

References

https://basercms.net/security/JVN64869876
https://jvn.jp/en/jp/JVN64869876/index.html
https://basercms.net/security/JVN64869876
https://jvn.jp/en/jp/JVN64869876/index.html

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