CVE-2024-45429: wordpress advanced-custom-fields Cross-site Scripting
Vulnerability summary
CVE-2024-45429 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in wordpress advanced-custom-fields. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35% of scored vulnerabilities. Fixed in 6.3.6.
Timeline
- 04-09-2024PublishedVulnerability first disclosed.
- 25-03-2025Last modifiedVulnerability information updated.
Description
Cross-site scripting vulnerability exists in Advanced Custom Fields versions 6.3.5 and earlier and Advanced Custom Fields Pro versions 6.3.5 and earlier. If an attacker with the 'capability' setting privilege which is set in the product settings stores an arbitrary script in the field label, the script may be executed on the web browser of the logged-in user with the same privilege as the attacker's.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource5.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
0.00 pp
From 0.42% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wordpress2 products
- advanced-custom-fields≤ 6.3.5 (fixed in 6.3.6)
- advanced-custom-fields-pro≤ 6.3.5 (fixed in 6.3.6)
Wp engine2 products
- advanced custom fields6.3.5 and earlier
- advanced custom fields pro6.3.5 and earlier
Wpengine1 product
- advanced_custom_fields≤ 6.3.5
3 vendors · 5 products
References
5 links- www.advancedcustomfields.com/blog/acf-6-3-6/Release Notes
- www.advancedcustomfields.comProduct
- jvn.jp/en/jp/JVN67963942/Third Party Advisory