CVE-2021-20683
MEDIUM
5.4
CVSS Score
Published: March 26, 2021 at 08:50 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
2 products affected across 2 vendorsBasercmsbaserCMS
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.7%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.4.5
Affected range stops below 4.4.5, so it looks safe — our inference, not a vendor statement
v < 4.4.5
Affected range stops below 4.4.5, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://basercms.net/security/JVN64869876x_refsource_MISCThird Party Advisory
Source: [email protected]
https://jvn.jp/en/jp/JVN64869876/index.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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