8.8

CVE-2025-26999: metagauss profilegrid Deserialization of Untrusted Data

CVSS: 8.8v3.1HighDeferred
Published 03-03-2025Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2025-26999 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in metagauss profilegrid. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.4% of scored vulnerabilities. Fixed in 5.9.4.4.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.70%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-03-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Deserialization of Untrusted Data vulnerability in Metagauss ProfileGrid profilegrid-user-profiles-groups-and-communities allows Object Injection.This issue affects ProfileGrid : from n/a through <= 5.9.4.3.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.70%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.01 pp

From 0.69% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.70%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Metagauss1 product
Wordpress1 product
  • profilegrid-user-profiles-groups-and-communities≤ 5.9.4.3 (fixed in 5.9.4.4)

2 vendors · 2 products

References

2 links