CVE-2023-49733
Apache Cocoon's StreamGenerator is vulnerable to XXE injection
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
- Record
CVE-2023-49733- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
Apache Cocoon's StreamGenerator is vulnerable to XXE injection
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
- Record
CVE-2023-49733- Weakness
- CWE-611
- Updated
- 2026-11-02
EUVDEUVD-2023-2906
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon.This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
- Record
EUVD-2023-2906- CVSS
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-77jg-cpw9-73vg
Apache Cocoon Improper Restriction of XML External Entity Reference vulnerability
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon. This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
- Record
GHSA-77jg-cpw9-73vg- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
OSVGHSA-77jg-cpw9-73vg
Apache Cocoon Improper Restriction of XML External Entity Reference vulnerability
Improper Restriction of XML External Entity Reference vulnerability in Apache Cocoon. This issue affects Apache Cocoon: from 2.2.0 before 2.3.0.
Users are recommended to upgrade to version 2.3.0, which fixes the issue.
- Record
GHSA-77jg-cpw9-73vg- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.cocoon:cocoonMaven |
2.2.0 up to 2.3.0 | 2.3.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-49733 is a critical vulnerability (CVSS 9.8) in Apache Cocoon, published November 30, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. Fixed in org.apache.cocoon:cocoon 2.3.0.