Saleswonder WebinarIgnition Plugin up to 4.08.253 on WordPress path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Saleswonder WebinarIgnition Plugin up to 4.08.253 on WordPress and classified as critical. This affects an unknown function. Performing a manipulation results in path traversal. This vulnerability was named CVE-2026-42757. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Saleswonder WebinarIgnition Plugin up to 4.08.253 on WordPress. This affects an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Saleswonder Team: Tobias WebinarIgnition webinar-ignition allows Path Traversal.This issue affects WebinarIgnition: from n/a through < 4.08.253.

The weakness was presented by Hhhai. The advisory is shared at patchstack.com. This vulnerability is uniquely identified as CVE-2026-42757 since 04/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 4.08.253 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.9
CNA Vector (Patchstack): 🔒

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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: WebinarIgnition Plugin 4.08.253

Timelineinfo

04/29/2026 CVE reserved
05/27/2026 +28 days Advisory disclosed
05/27/2026 +0 days VulDB entry created
05/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Hhhai
Status: Confirmed

CVE: CVE-2026-42757 (🔒)
GCVE (CVE): GCVE-0-2026-42757
GCVE (VulDB): GCVE-100-366033

Entryinfo

Created: 05/27/2026 13:42
Changes: 05/27/2026 13:42 (66)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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