CVE-2024-4400: boldgrid post_and_page_builder Cross-site Scripting
Vulnerability summary
CVE-2024-4400 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in boldgrid post_and_page_builder. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities. Fixed in 1.26.5.
Timeline
- 16-05-2024PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
Description
The Post and Page Builder by BoldGrid – Visual Drag and Drop Editor plguin for WordPress is vulnerable to Stored Cross-Site Scripting via an unknown parameter in versions up to, and including, 1.26.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% 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
Boldgrid2 products
Wordpress1 product
- post-and-page-builder≤ 1.26.4 (fixed in 1.26.5)
2 vendors · 3 products