What is the CVSS score of CVE-2021-24822?

CVE-2021-24822 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2021-24822?

Yes, a public proof-of-concept exploit is available for CVE-2021-24822. Prioritise patching immediately. EPSS: 0.3%.

Stylish Cost Calculator CVE-2021-24822

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2021-11-29 contact@wpscan.com

CSRF WordPress XSS Stylish Cost Calculator

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Nov 29, 2021 - 09:15 nvd

MEDIUM 5.4

DescriptionNVD

The Stylish Cost Calculator WordPress plugin before 7.0.4 does not have any authorisation and CSRF checks on some of its AJAX actions (available to authenticated users), which could allow any authenticated users, such as subscriber to call them, and perform Stored Cross-Site Scripting attacks against logged in admin, as well as frontend users due to the lack of sanitisation and escaping in some parameters

AnalysisAI

The Stylish Cost Calculator WordPress plugin before 7.0.4 does not have any authorisation and CSRF checks on some of its AJAX actions (available to authenticated users), which could allow any. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Stylish Cost Calculator WordPress plugin before 7.0.4 does not have any authorisation and CSRF checks on some of its AJAX actions (available to authenticated users), which could allow any authenticated users, such as subscriber to call them, and perform Stored Cross-Site Scripting attacks against logged in admin, as well as frontend users due to the lack of sanitisation and escaping in some parameters Affected products include: Stylishcostcalculator Stylish Cost Calculator. Version information: before 7.0.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.