Medium severity5.4NVD Advisory· Published Mar 26, 2021· Updated Jun 17, 2026

CVE-2021-20681

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
baserproject/basercmsPackagist	< 4.4.5	4.4.5

Affected products

Basercms/Basercms2 versions
cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*range: <4.4.5
- (no CPE)range: versions prior to 4.4.5
ghsa-coords
pkg:composer/baserproject/basercms
Range: < 4.4.5

Patches

Vulnerability mechanics

References

basercms.net/security/JVN64869876nvdPatchVendor AdvisoryWEB
github.com/advisories/GHSA-24p5-x9f9-vvpxghsaADVISORY
jvn.jp/en/jp/JVN64869876/index.htmlnvdThird Party AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2021-20681ghsaADVISORY

News mentions

No linked articles in our index yet.

cvss	0.351
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000