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CVE-2023-38499

15
FAUCET Score

CVE-2023-38499 is a medium-severity vulnerability affecting TYPO3, an open-source PHP-based web content management system, specifically versions 9.4.0 through 9.5.41 ELTS, 10.4.38 ELTS, 11.5.29, and 12.4.3. This flaw allows unauthenticated attackers to access out-of-scope content in multi-site TYPO3 installations by manipulating HTTP query parameters, potentially exposing internal site content. The vulnerability has a CVSS score of 5.3 (Medium) due to its network-based attack vector and low attack complexity, leading to a potential loss of confidentiality. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.4.0, < 9.5.42CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 10.0.0, < 10.4.39CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 11.0.0, < 11.5.30CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
>= 12.0.0, < 12.4.4CPE matchmatch criteria
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 39th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

composerpatch availablevia ghsa
Product: typo3/cms-coreFixed in: 9.5.42
composerpatch availablevia ghsa
Product: typo3/cms-coreFixed in: 10.4.39
composerpatch availablevia ghsa
Product: typo3/cms-coreFixed in: 11.5.30
composerpatch availablevia ghsa
Product: typo3/cms-coreFixed in: 12.4.4
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-jq6g-4v5m-wm9rlow

Information Disclosure due to Out-of-scope Site Resolution

Jul 25, 2023

References

github.com / TYPO3/typo3/commit/702e2debd4b28f9cdb540544565fe6a8627ccb6a
Patch
github.com / TYPO3/typo3/security/advisories/GHSA-jq6g-4v5m-wm9r
Vendor Advisory
typo3.org / security/advisory/typo3-core-sa-2023-003
Vendor Advisory