Metagauss EventPrime Plugin up to 4.2.8.0 on WordPress deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Metagauss EventPrime Plugin up to 4.2.8.0 on WordPress. It has been declared as critical. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to deserialization. The identification of this vulnerability is CVE-2026-24378. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Metagauss EventPrime Plugin up to 4.2.8.0 on WordPress and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.

The weakness was shared by Phat Rio. The advisory is available at patchstack.com. This vulnerability was named CVE-2026-24378 since 01/22/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/31/2026).

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

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
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

01/22/2026 CVE reserved
03/25/2026 +62 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
03/31/2026 +6 days VulDB entry last update

Sourcesinfo

Advisory: patchstack.com
Researcher: Phat Rio
Status: Not defined

CVE: CVE-2026-24378 (🔒)
GCVE (CVE): GCVE-0-2026-24378
GCVE (VulDB): GCVE-100-353254

Entryinfo

Created: 03/25/2026 18:52
Updated: 03/31/2026 10:29
Changes: 03/25/2026 18:52 (54), 03/31/2026 10:29 (12)
Complete: 🔍
Cache ID: 216::103

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