CVE-2021-24837

Passster < 3.5.5.8 - Contributor+ Stored Cross-Site Scripting

MEDIUM
5.4
CVSS Score
Published: January 23, 2023 at 02:31 PM UTC
Updated: June 17, 2026 at 03:40 AM UTC
2 products affected across 1 vendorPassterPassster

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%

Description

The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.

Affected

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

v < 3.5.5.8
Affected range stops below 3.5.5.8, so it looks safe — our inference, not a vendor statement
60%
v < 3.5.5.8
Affected range stops below 3.5.5.8, so it looks safe — our inference, not a vendor statement

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
https://wpscan.com/vulnerability/5fea3ac3-d599-41f3-8f76-08f0d3552af1

CVSS

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

Quick Info

StatusMODIFIED
CWE

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