MPL-Publisher Plugin up to 1.30.2 on WordPress PublisherController.php cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in MPL-Publisher Plugin up to 1.30.2 on WordPress. Affected by this vulnerability is an unknown functionality in the library ~/libs/PublisherController.php. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-39343. The attack may be initiated remotely. In addition, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in MPL-Publisher Plugin up to 1.30.2 on WordPress (WordPress Plugin) and classified as problematic. This issue affects some unknown functionality in the library ~/libs/PublisherController.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was presented 10/19/2021. The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2021-39343 since 08/20/2021. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. By approaching the search of inurl:~/libs/PublisherController.php it is possible to find vulnerable targets with Google Hacking.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at plugins.trac.wordpress.org.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 2.4
VulDB Temp Score: 2.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector (Wordfence): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: plugins.trac.wordpress.org

Timelineinfo

08/20/2021 🔍
10/19/2021 +60 days 🔍
10/19/2021 +0 days 🔍
04/25/2025 +1284 days 🔍

Sourcesinfo

Advisory: wordfence.com
Status: Confirmed

CVE: CVE-2021-39343 (🔍)
GCVE (CVE): GCVE-0-2021-39343
GCVE (VulDB): GCVE-100-184613
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/19/2021 18:31
Updated: 04/25/2025 21:58
Changes: 10/19/2021 18:31 (53), 10/23/2021 01:54 (1), 04/25/2025 21:58 (33)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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