8.8

CVE-2023-1196: advancedcustomfields advanced_custom_fields Deserialization of Untrusted Data

CVSS: 8.8v3.1HighModified
Published 02-05-2023Last modified 30-01-2025
Open JSON

Vulnerability summary

CVE-2023-1196 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in advancedcustomfields advanced_custom_fields. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 02-05-2023
    PublishedVulnerability first disclosed.
  2. 30-01-2025
    Last modifiedVulnerability information updated.

Description

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown2 products
Advancedcustomfields1 product
Wordpress1 product
  • advanced-custom-fields≤ 5.12.4 (fixed in 5.12.5) | ≥ 6.0.0, ≤ 6.0.7 (fixed in 5.12.5)

3 vendors · 4 products

References

3 links