CVE-2024-4036: The Sydney Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the style parameter i

Q: How do I fix CVE-2024-4036?

sydney toolbox: upgrade to 1.31. Exact commands for each OS are on this page.

Q: Is CVE-2024-4036 being exploited?

CVE-2024-4036 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-2024-4036 affect?

CVE-2024-4036 affects sydney toolbox. Severity is medium (CVSS 6.4). The Sydney Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the style parameter in all versions up to, and including, 1.30 due to insufficient input sanitization and output escaping. This makes it possible for a

Q: How urgent is CVE-2024-4036?

Priority 35/100. No elevated risk signals yet.

Routine

MEDIUM 6.4UPGRADE

CVE-2024-4036 is a medium-severity flaw (CVSS 6.4) affecting sydney toolbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Sydney Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the style parameter in all versions up to, and including, 1.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor 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	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-05-02
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: athemes

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

Am I affected?

Timeline

2024-05-02 17:15 UTCPublished CVE record published
2026-06-17 08:00 UTCUpdated Record last modified

athemes sydney toolbox UPGRADE

Affected: < 1.31

Fixed in: 1.31

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sydney-toolbox || rpm -q sydney-toolbox || sydney-toolbox --version

2. UPGRADE to 1.31 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sydney-toolbox

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sydney-toolbox

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-2024-4036?

sydney toolbox: upgrade to 1.31. Exact commands for each OS are on this page.

Is CVE-2024-4036 being exploited?

CVE-2024-4036 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-2024-4036 affect?

CVE-2024-4036 affects sydney toolbox. Severity is medium (CVSS 6.4). The Sydney Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the style parameter in all versions up to, and including, 1.30 due to insufficient input sanitization and output escaping. This makes it possible for a

How urgent is CVE-2024-4036?

Priority 35/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

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References

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