The libxml_disable_entity_loader function in runtime/ext/ext_simplexml.cpp in HipHop Virtual Machine for PHP (HHVM) before 2.4.0 and 2.3.x before 2.3.3 does not properly disable a certain libxml handler, which allows remote attackers to conduct XML External Entity (XXE) attacks
Published Feb 5, 2014
5.0
MEDIUMCVSS 2.0
EPSS 1.46%
Description
The libxml_disable_entity_loader function in runtime/ext/ext_simplexml.cpp in HipHop Virtual Machine for PHP (HHVM) before 2.4.0 and 2.3.x before 2.3.3 does not properly disable a certain libxml handler, which allows remote attackers to conduct XML External Entity (XXE) attacks.
Affected products
No data.
- ≤ 2.3.2
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1.0
- 2.2.0
- 2.3.0
- 2.3.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.46% (0.01458) | 72.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.46% (0.01458) | 70.03th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00401) | 58.69th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.31% (0.00313) | 71.02th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00313) | 69.37th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.31% (0.00313) | 65.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
No CWE recorded.
References (3)
- http://www.hhvm.com/blog/3287/hhvm-2-4-0 x_refsource_CONFIRMVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90979 vdb-entryx_refsource_XF
- https://github.com/facebook/hhvm/commit/95f96e7287effe2fcdfb9a5338d1a7e4f55b083b x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://www.hhvm.com/blog/3287/hhvm-2-4-0 | x_refsource_CONFIRMVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/90979 | vdb-entryx_refsource_XF | |
| https://github.com/facebook/hhvm/commit/95f96e7287effe2fcdfb9a5338d1a7e4f55b083b | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.