VDB-186259 · CVE-2021-25978 · GCVE-0-2021-25978

Apostrophe CMS up to 3.3.1 Image 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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Apostrophe CMS up to 3.3.1 and classified as problematic. The impacted element is an unknown function of the component Image Module. This manipulation causes cross site scripting. The identification of this vulnerability is CVE-2021-25978. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Apostrophe CMS up to 3.3.1 (Content Management System) and classified as problematic. Affected by this vulnerability is an unknown part of the component Image Module. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity.

The weakness was shared 11/08/2021 as c8b94ee9c79468f1ce28e31966cb0e0839165e59. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2021-25978 since 01/22/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Applying the patch c8b94ee9c79468f1ce28e31966cb0e0839165e59 is able to eliminate this problem. The bugfix is ready for download at github.com.

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Productinfo

Type

Content Management System

Vendor

Apostrophe

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (WhiteSource): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c8b94ee9c79468f1ce28e31966cb0e0839165e59

Timelineinfo

01/22/2021 🔍
11/08/2021 +290 days 🔍
11/08/2021 +0 days 🔍
11/10/2021 +2 days 🔍

Sourcesinfo

Advisory: c8b94ee9c79468f1ce28e31966cb0e0839165e59
Status: Confirmed

CVE: CVE-2021-25978 (🔍)
GCVE (CVE): GCVE-0-2021-25978
GCVE (VulDB): GCVE-100-186259

Entryinfo

Created: 11/08/2021 08:31
Updated: 11/10/2021 20:00
Changes: 11/08/2021 08:31 (52), 11/10/2021 20:00 (1)
Complete: 🔍
Cache ID: 216::103