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CVE-2023-0899

Steveas WP Live Chat Shoutbox <= 1.4.2 - Unauthenticated Stored XSS

MEDIUM
6.1
CVSS Score
Published: April 24, 2023 at 06:30 PM UTC
Updated: June 17, 2026 at 05:26 AM UTC
1 product affected across 1 vendorWp Live Chat Shoutbox

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

The Steveas WP Live Chat Shoutbox WordPress plugin through 1.4.2 does not sanitise and escape a parameter before outputting it back in the Shoutbox, leading to Stored Cross-Site Scripting which could be used against high privilege users such as admins.

Affected

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

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/e95f925f-118e-4fa1-8e8f-9dc1bc698f12

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE

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