WP Chill RSVP and Event Management Plugin up to 2.7.16 on WordPress exposure of sensitive system information to an unauthorized control sphere

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 classified as problematic has been found in WP Chill RSVP and Event Management Plugin up to 2.7.16 on WordPress. This affects an unknown function. This manipulation causes exposure of sensitive system information to an unauthorized control sphere. The identification of this vulnerability is CVE-2026-39536. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in WP Chill RSVP and Event Management Plugin up to 2.7.16 on WordPress and classified as problematic. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a exposure of sensitive system information to an unauthorized control sphere vulnerability. The CWE definition for the vulnerability is CWE-497. The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does. As an impact it is known to affect confidentiality. The summary by CVE is:

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WP Chill RSVP and Event Management rsvp allows Retrieve Embedded Sensitive Data.This issue affects RSVP and Event Management: from n/a through <= 2.7.16.

The weakness was shared by Muhammad Sharief. The advisory is shared at patchstack.com. This vulnerability is known as CVE-2026-39536 since 04/07/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Exposure of sensitive system information to an unauthorized control sphere
CWE: CWE-497
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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/07/2026 CVE reserved
04/08/2026 +1 days Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Muhammad Sharief
Status: Not defined

CVE: CVE-2026-39536 (🔒)
GCVE (CVE): GCVE-0-2026-39536
GCVE (VulDB): GCVE-100-356089

Entryinfo

Created: 04/08/2026 11:30
Changes: 04/08/2026 11:30 (54)
Complete: 🔍
Cache ID: 216:EFE:103

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

Discussion

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