gVectors wpForo Forum up to 2.4.15 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in gVectors wpForo Forum up to 2.4.15. This affects an unknown function. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-28561. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in gVectors wpForo Forum up to 2.4.15. It has been rated as problematic. Affected by this issue is an unknown code block. 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. CVE summarizes:

wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows administrators to inject persistent JavaScript via forum description fields echoed without output escaping across multiple theme template files. On multisite installations or with a compromised admin account, attackers set a forum description containing HTML event handlers that execute when any user views the forum listing.

The weakness was published by Scott Moore. The advisory is available at wordpress.org. This vulnerability is handled as CVE-2026-28561 since 02/28/2026. The exploitation is known to be easy. The attack may be launched remotely. The exploitation requires an enhanced level of successful authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 2.4.16 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-9110). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

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

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔒

CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: wpForo Forum 2.4.16

Timelineinfo

02/28/2026 CVE reserved
03/01/2026 +1 days Advisory disclosed
03/01/2026 +0 days VulDB entry created
03/05/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: wordpress.org
Researcher: Scott Moore
Status: Confirmed

CVE: CVE-2026-28561 (🔒)
GCVE (CVE): GCVE-0-2026-28561
GCVE (VulDB): GCVE-100-348290
EUVD: 🔒

Entryinfo

Created: 03/01/2026 07:20
Updated: 03/05/2026 16:57
Changes: 03/01/2026 07:20 (77), 03/01/2026 21:40 (1), 03/02/2026 15:56 (1), 03/05/2026 16:57 (11)
Complete: 🔍
Cache ID: 216:960:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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