CVE-2024-2143: The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scriptin

Q: How do I fix CVE-2024-2143?

ultimate addons for beaver builder: upgrade to 1.5.8. Exact commands for each OS are on this page.

Q: Is CVE-2024-2143 being exploited?

CVE-2024-2143 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-2024-2143 affect?

CVE-2024-2143 affects ultimate addons for beaver builder. Severity is medium (CVSS 6.4). The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Heading widget in all versions up to, and including, 1.5.7 due to insufficient input sanitization and output escaping. T

Q: How urgent is CVE-2024-2143?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2024-2143 is a medium-severity flaw (CVSS 6.4) affecting ultimate addons for beaver builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Heading widget in all versions up to, and including, 1.5.7 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 73%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-03-30
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: brainstormforce

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

Am I affected?

Timeline

2024-03-30 07:15 UTCPublished CVE record published
2026-06-17 07:23 UTCUpdated Record last modified

brainstormforce ultimate addons for beaver builder UPGRADE

Affected: < 1.5.8

Fixed in: 1.5.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ultimate-addons-for-beaver-builder || rpm -q ultimate-addons-for-beaver-builder || ultimate-addons-for-beaver-builder --version

2. UPGRADE to 1.5.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ultimate-addons-for-beaver-builder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ultimate-addons-for-beaver-builder

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-2024-2143?

ultimate addons for beaver builder: upgrade to 1.5.8. Exact commands for each OS are on this page.

Is CVE-2024-2143 being exploited?

CVE-2024-2143 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-2024-2143 affect?

CVE-2024-2143 affects ultimate addons for beaver builder. Severity is medium (CVSS 6.4). The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Heading widget in all versions up to, and including, 1.5.7 due to insufficient input sanitization and output escaping. T

How urgent is CVE-2024-2143?

Priority 29/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-43151 MEDIUM 6.5 UPGRADE Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in B
CVE-2024-2144 MEDIUM 6.4 UPGRADE The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scriptin
CVE-2024-2142 MEDIUM 6.4 UPGRADE The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scriptin
CVE-2024-2141 MEDIUM 6.4 UPGRADE The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scriptin
CVE-2024-2140 MEDIUM 6.4 UPGRADE The Ultimate Addons for Beaver Builder – Lite plugin for WordPress is vulnerable to Stored Cross-Site Scriptin

References

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