Spiffy Calendar Plugin up to 3.2.x on WordPress yr cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.9	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Spiffy Calendar Plugin up to 3.2.x on WordPress. The affected element is an unknown function. The manipulation of the argument yr as part of Parameter results in cross site scripting. This vulnerability is identified as CVE-2017-9420. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Spiffy Calendar Plugin up to 3.2.x on WordPress (Calendar Software). It has been classified as problematic. Affected is an unknown function. The manipulation of the argument yr as part of a Parameter leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. 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. This is going to have an impact on integrity. CVE summarizes:

Cross site scripting (XSS) vulnerability in the Spiffy Calendar plugin before 3.3.0 for WordPress allows remote attackers to inject arbitrary JavaScript via the yr parameter.

The bug was discovered 06/06/2017. The weakness was released 06/05/2017 (Website). The advisory is shared for download at dtsa.eu. This vulnerability is traded as CVE-2017-9420. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 3.3.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98931†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Calendar Software

Vendor

• Spiffy

Name

• Calendar Plugin

Version

• 3.0
• 3.1
• 3.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Calendar Plugin 3.3.0

Timelineinfo

06/03/2017 🔍
06/05/2017 +17088 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
06/06/2017 +1 days 🔍
06/06/2017 +0 days 🔍
12/26/2020 +1299 days 🔍

Sourcesinfo

Advisory: dtsa.eu
Researcher: Dimitrios Tsagkarakis
Status: Not defined

CVE: CVE-2017-9420 (🔍)
GCVE (CVE): GCVE-0-2017-9420
GCVE (VulDB): GCVE-100-101976
SecurityFocus: 98931 - WordPress Spiffy Calendar Plugin CVE-2017-9420 Cross Site Scripting Vulnerability

Entryinfo

Created: 06/06/2017 08:54
Updated: 12/26/2020 09:47
Changes: 06/06/2017 08:54 (62), 10/13/2019 18:15 (3), 12/26/2020 09:47 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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