CVE-2023-49745

WordPress Spiffy Calendar Plugin <= 4.9.5 is vulnerable to Cross Site Scripting (XSS)

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Spiffy Plugins Spiffy Calendar allows Stored XSS.This issue affects Spiffy Calendar: from n/a through 4.9.5.

Vulnerabilidad de neutralización inadecuada de la entrada durante la generación de páginas web ('Cross-site Scripting') en Spiffy Plugins Spiffy Calendar permite almacenar XSS. Este problema afecta a Spiffy Calendar: desde n/a hasta 4.9.5.

The Spiffy Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in all versions up to 4.9.6 (exclusive) due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

*Credits: resecured.io (Patchstack Alliance)

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-11-30 CVE Reserved
2023-12-01 CVE Published
2023-12-19 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

CAPEC-592: Stored XSS

References (1)

URL	Tag	Source
https://patchstack.com/database/vulnerability/spiffy-calendar/wordpress-spiffy-calendar-plugin-4-9-5-cross-site-scripting-xss-vulnerability?_s_id=cve	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Spiffyplugins Search vendor "Spiffyplugins"		Spiffy Calendar Search vendor "Spiffyplugins" for product "Spiffy Calendar"				< 4.9.6 Search vendor "Spiffyplugins" for product "Spiffy Calendar" and version " < 4.9.6"		wordpress		Affected