← back to popular plugins
wordfence / plugin · coblocks
Page Builder Gutenberg Blocks – CoBlocks
coblocks
total installs
300,000
total vulns
3
critical
0
high
0
medium
3
low
0
latest vuln
—
patched
3
unpatched
0
avg time to patch
—
vulnerabilities
(3)
Page Builder Gutenberg Blocks <= 3.1.16 - Authenticated (Contributor+) Stored Cross-Site Scripting via External iCal Feed Data
medium
✓ patched
cve id
CVE-2026-4801 ↗
cvss score
6.4
cwe
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
published
Apr 17, 2026
The Page Builder Gutenberg Blocks – CoBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via external iCal feed data in all versions up to, and including, 3.1.16 due to insufficient output escaping of event titles, descriptions, and locations fetched from external iCal feeds in the Events block rendering function. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Page Builder Gutenberg Blocks – CoBlocks <= 3.1.16 - Authenticated (Contributor+) Stored Cross-Site Scripting
medium
✓ patched
cve id
CVE-2026-27094 ↗
cvss score
6.4
cwe
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
published
Jan 7, 2026
The Page Builder Gutenberg Blocks – CoBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.1.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CoBlocks <= 3.1.13 - Missing Authorization
medium
✓ patched
The Page Builder Gutenberg Blocks – CoBlocks plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 3.1.13. This makes it possible for authenticated attackers, with Contributor-level access and above, to perform an unauthorized action.