8.1

CVE-2026-27410: veronalabs slimstat analytics Deserialization of Untrusted Data

CVSS: 8.1v3.1HighDeferred
Published 17-06-2026Last modified 17-06-2026
Open JSON

Vulnerability summary

CVE-2026-27410 is a high (CVSS 8.1) Deserialization of Untrusted Data vulnerability in veronalabs slimstat analytics. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.2% of scored vulnerabilities. Fixed in 5.4.0.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (wordfence)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-06-2026
    PublishedVulnerability first disclosed.
  2. 17-06-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Deserialization of untrusted data in Slimstat Analytics < 5.4.0 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.27%

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

Veronalabs1 product
Wordpress1 product
  • wp-slimstat< 5.4.0

2 vendors · 2 products

References

2 links