8.8

CVE-2026-81283: wedevs wp_user_frontend Deserialization of Untrusted Data

CVSS: 8.8v3.1HighDeferred
Published 02-09-2026Last modified 02-09-2026
Open JSON

Vulnerability summary

CVE-2026-81283 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in wedevs wp_user_frontend. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.52%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-09-2026
    PublishedVulnerability first disclosed.
  2. 02-09-2026
    Last modifiedVulnerability information updated.

Description

Subscriber PHP Object Injection in WP User Frontend <= 4.3.10 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

+0.04 pp

From 0.48% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.52%

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

Wedevs1 product
Wordpress1 product
  • wp-user-frontend≤ 4.3.10 (fixed in 4.3.11)

2 vendors · 2 products

References

2 links