CVE-2024-6346: The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scrip

Q: How do I fix CVE-2024-6346?

comboblocks: upgrade to 2.2.86. Exact commands for each OS are on this page.

Q: Is CVE-2024-6346 being exploited?

CVE-2024-6346 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-6346 affect?

CVE-2024-6346 affects comboblocks. Severity is medium (CVSS 6.4). The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the redirectURL parameter of the Date Countdown widget, in all versions up to, and including, 2.2.85 due to insufficient

Q: How urgent is CVE-2024-6346?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2024-6346 is a medium-severity flaw (CVSS 6.4) affecting comboblocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the redirectURL parameter of the Date Countdown widget, in all versions up to, and including, 2.2.85 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that wil

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-08-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: pickplugins

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-08-01 10:15 UTCPublished CVE record published
2026-06-17 08:17 UTCUpdated Record last modified

pickplugins comboblocks UPGRADE

Affected: < 2.2.86

Fixed in: 2.2.86

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy comboblocks || rpm -q comboblocks || comboblocks --version

2. UPGRADE to 2.2.86 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade comboblocks

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade comboblocks

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-6346?

comboblocks: upgrade to 2.2.86. Exact commands for each OS are on this page.

Is CVE-2024-6346 being exploited?

CVE-2024-6346 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-6346 affect?

CVE-2024-6346 affects comboblocks. Severity is medium (CVSS 6.4). The Gutenberg Blocks, Page Builder – ComboBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the redirectURL parameter of the Date Countdown widget, in all versions up to, and including, 2.2.85 due to insufficient

How urgent is CVE-2024-6346?

Priority 29/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

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References

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