8.8

CVE-2025-68853: WordPress Contact Manager plugin <= 9.1.1 - PHP Object Injection vulnerability

Deferred
Published 20-02-2026Last modified 28-04-2026

Vulnerability summary

CVE-2025-68853 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in kleor contact manager. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.3% 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
0.43%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 20-02-2026
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Deserialization of Untrusted Data vulnerability in Kleor Contact Manager contact-manager allows Object Injection.This issue affects Contact Manager: from n/a through <= 9.1.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

Increase +0.07 pp

From 0.37% on 27-09-2026

27-09-202627-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Kleor1 product
Wordpress1 product
  • contact-manager≤ 9.1

2 vendors · 2 products

References

2 links