Post Grid Plugin up to 2.1.7 on WordPress Slider Import Search tab cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
3.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Post Grid Plugin up to 2.1.7 on WordPress. It has been declared as problematic. This impacts an unknown function of the component Slider Import Search. The manipulation of the argument tab results in cross site scripting. This vulnerability is reported as CVE-2021-24488. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Post Grid Plugin up to 2.1.7 on WordPress (WordPress Plugin). Affected is some unknown processing of the component Slider Import Search. The manipulation of the argument tab with an unknown input 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.

The weakness was disclosed 08/03/2021. The advisory is shared for download at wpscan.com. This vulnerability is traded as CVE-2021-24488. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 2.1.8 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50705). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

WordPress Plugin

Name

Post Grid Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Post Grid Plugin 2.1.8

Timelineinfo

01/14/2021 🔍
08/03/2021 +200 days 🔍
08/03/2021 +0 days 🔍
05/03/2025 +1369 days 🔍

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2021-24488 (🔍)
GCVE (CVE): GCVE-0-2021-24488
GCVE (VulDB): GCVE-100-179892
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/03/2021 08:54
Updated: 05/03/2025 14:09
Changes: 08/03/2021 08:54 (40), 08/06/2021 15:20 (2), 01/05/2025 05:12 (23), 05/03/2025 14:09 (3)
Complete: 🔍
Cache ID: 216::103