CVE-2025-2918: The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scriptin

Q: How do I fix CVE-2025-2918?

ultimate blocks: upgrade to 3.3.4. Exact commands for each OS are on this page.

Q: Is CVE-2025-2918 being exploited?

CVE-2025-2918 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-2025-2918 affect?

CVE-2025-2918 affects ultimate blocks. Severity is medium (CVSS 6.4). The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple widgets in all versions up to, and including, 3.3.3 due to insufficient input sanitization and output escaping. Thi

Q: How urgent is CVE-2025-2918?

Priority 27/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2025-2918 is a medium-severity flaw (CVSS 6.4) affecting ultimate blocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple widgets in all versions up to, and including, 3.3.3 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.

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 81%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-06-10
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: dotcamp

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

Am I affected?

Timeline

2025-06-10 12:15 UTCPublished CVE record published
2026-06-17 09:07 UTCUpdated Record last modified

dotcamp ultimate blocks UPGRADE

Affected: < 3.3.4

Fixed in: 3.3.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ultimate-blocks || rpm -q ultimate-blocks || ultimate-blocks --version

2. UPGRADE to 3.3.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ultimate-blocks

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ultimate-blocks

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-2025-2918?

ultimate blocks: upgrade to 3.3.4. Exact commands for each OS are on this page.

Is CVE-2025-2918 being exploited?

CVE-2025-2918 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-2025-2918 affect?

CVE-2025-2918 affects ultimate blocks. Severity is medium (CVSS 6.4). The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple widgets in all versions up to, and including, 3.3.3 due to insufficient input sanitization and output escaping. Thi

How urgent is CVE-2025-2918?

Priority 27/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

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CVE-2024-4268 MEDIUM 6.4 UPGRADE The Ultimate Blocks – WordPress Blocks Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scriptin
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References

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