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CVE-2024-6307

WordPress Core < 6.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via HTML API

6.4 MediumFix available

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.47%Up 0.4 points since Jun 26, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.4

WordPress Core < 6.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via HTML API

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
CVE-2024-6307
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
EUVDEUVD-2024-47423 6.4

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
EUVD-2024-47423
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-2f47-vffr-pwwf 6.4

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions...

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions up to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
GHSA-2f47-vffr-pwwf
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
NVD 6.4

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
CVE-2024-6307
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVDEBIAN-CVE-2024-6307 6.4

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
DEBIAN-CVE-2024-6307
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2024-6307 6.4

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
UBUNTU-CVE-2024-6307
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVBIT-wordpress-2024-6307 No score

WordPress Core < 6.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via HTML API

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
BIT-wordpress-2024-6307
Updated
2026-11-02
OSVBIT-wordpress-multisite-2024-6307 No score

WordPress Core < 6.5.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via HTML API

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
BIT-wordpress-multisite-2024-6307
Updated
2026-11-02
OSV No score

WordPress Core is vulnerable to Stored Cross-Site Scripting via the HTML API in various versions prior to 6.5.5 due to insufficient input sanitization and output escaping on URLs. 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.

Record
CVE-2024-6307
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wordpress
Bitnami
 5.9.0 up to 5.9.10, 6.0.0 up to 6.0.9, 6.1.0 up to 6.1.7, 6.2.0 up to 6.2.5, 6.3.0 up to 6.3.5, 6.4.0 up to 6.4.5, 6.5.0 up to 6.5.5
5.9.106.0.96.1.76.2.56.3.56.4.56.5.5
wordpress-multisite
Bitnami
 5.9.0 up to 5.9.10, 6.0.0 up to 6.0.9, 6.1.0 up to 6.1.7, 6.2.0 up to 6.2.5, 6.3.0 up to 6.3.5, 6.4.0 up to 6.4.5, 6.5.0 up to 6.5.5
5.9.106.0.96.1.76.2.56.3.56.4.56.5.5
wordpress
Debian:12
 before 6.1.9+dfsg1-0+deb12u1, plus listed versions
6.1.1+dfsg1-16.1.6+dfsg1-0+deb12u1
6.1.9+dfsg1-0+deb12u1
wordpress
Debian:13
 before 6.5.5+dfsg1-1
6.5.5+dfsg1-1
wordpress
Debian:14
 before 6.5.5+dfsg1-1
6.5.5+dfsg1-1
wordpress
Debian:11
From an advisory covering 4 CVEs
 before 5.7.14+dfsg1-0+deb11u1, plus listed versions
5.7.1+dfsg1-25.7.11+dfsg1-0+deb11u15.7.3+dfsg1-0+deb11u15.7.5+dfsg1-0+deb11u15.7.8+dfsg1-0+deb11u15.7.8+dfsg1-0+deb11u2
5.7.14+dfsg1-0+deb11u1
wordpress
Debian:12
From an advisory covering 5 CVEs
 before 6.1.9+dfsg1-0+deb12u1, plus listed versions
6.1.1+dfsg1-16.1.6+dfsg1-0+deb12u1
6.1.9+dfsg1-0+deb12u1
wordpress
Ubuntu:16.04:LTS
 All versions, plus listed versions
4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1
 None known
wordpress
Ubuntu:18.04:LTS
 All versions, plus listed versions
4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1
 None known
wordpress
Ubuntu:20.04:LTS
 All versions, plus listed versions
5.2.2+dfsg1-15.2.4+dfsg1-15.3.2+dfsg1-15.3.2+dfsg1-1ubuntu1
 None known
wordpress
Ubuntu:22.04:LTS
 All versions, plus listed versions
5.7.1+dfsg1-2ubuntu15.8.1+dfsg1-2ubuntu15.8.2+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu1.1
 None known
wordpress
Ubuntu:24.04:LTS
 All versions, plus listed versions
6.2+dfsg1-1ubuntu16.4.3+dfsg1-1ubuntu1
 None known

History

History
RecordedChangedSources
affected, facts
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-6307 is a medium vulnerability (CVSS 6.4) in Wordpress Foundation Wordpress, published June 25, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. Fixed in wordpress 5.9.10.

References

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