Add Subtitle <= 1.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

2022-01-26 00:00

Francesco Carlucci

Strategic Overview

Status

Unpatched

Affected PluginAdd Subtitle

Affected Version<= 1.1.0

CVSS7.4High

CVECVE-2021-24897

View all Add Subtitle vulnerabilities

Vulnerability Overview

The Add Subtitle WordPress plugin through 1.1.0 does not sanitise or escape the sub-title field (available only with classic editor) when output in the page, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24897 https://www.wordfence.com/threat-intel/vulnerabilities/id/71da4bd0-79d7-42ec-9e79-3a44411c2313

CVSS Vector

7.4

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

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