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CVE-2020-4061

Cross-site Scripting in OctoberPotential self-XSS when pasting content from malicious websites

MEDIUM
5.4
CVSS Score
Published: July 2, 2020 at 04:55 PM UTC
Updated: June 17, 2026 at 03:19 AM UTC
1 product affected across 1 vendorOctober

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%

Description

In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

October· Octobercmscomposer
95%
v < 1.0.4671.0.319 ≤ v < 1.0.467
Affected range stops below 1.0.467, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/octobercms/october/security/advisories/GHSA-3pc2-fm7p-q2vg
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://research.securitum.com/the-curious-case-of-copy-paste/

CVSS

5.4MEDIUM[email protected]
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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