XML external entity (XXE) vulnerability in Episerver 7 patch 4 and earlier allows remote attackers to read arbitrary files via a crafted DTD in an XML request involving util/xmlrpc/Handler.ashx
Published Aug 29, 2018
7.5
HIGHCVSS 3.0
EPSS 4.65%
Description
XML external entity (XXE) vulnerability in Episerver 7 patch 4 and earlier allows remote attackers to read arbitrary files via a crafted DTD in an XML request involving util/xmlrpc/Handler.ashx.
Affected products
No data.
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.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.65% (0.04648) | 91.45th | v5 (v2026.06.15) |
| Sep 22, 2026 | 4.65% (0.04648) | 91.32th | v5 (v2026.06.15) |
| Sep 21, 2026 | 2.45% (0.02454) | 83.58th | v5 (v2026.06.15) |
| Sep 6, 2026 | 4.65% (0.04648) | 91.13th | v5 (v2026.06.15) |
| Sep 5, 2026 | 2.45% (0.02454) | 83.23th | v5 (v2026.06.15) |
| Aug 30, 2026 | 4.65% (0.04648) | 91.08th | v5 (v2026.06.15) |
| Aug 28, 2026 | 2.45% (0.02454) | 83.13th | v5 (v2026.06.15) |
| Aug 24, 2026 | 4.65% (0.04648) | 91.03th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.45% (0.02454) | 83.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.65% (0.04648) | 90.53th | v5 (v2026.06.15) |
| Apr 16, 2026 | 1.79% (0.01785) | 82.77th | v4 (v2025.03.14) |
| Mar 15, 2026 | 7.62% (0.07622) | 91.74th | v4 (v2025.03.14) |
| Jan 18, 2026 | 10.47% (0.10472) | 93.02th | v4 (v2025.03.14) |
| Dec 19, 2025 | 13.58% (0.13580) | 93.99th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.63% (0.00630) | 68.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.93% (0.01925) | 89.09th | v3 (v2023.03.01) |
| Jan 20, 2024 | 2.71% (0.02705) | 89.44th | v3 (v2023.03.01) |
| Sep 27, 2023 | 2.68% (0.02683) | 89.20th | v3 (v2023.03.01) |
| Aug 23, 2023 | 2.11% (0.02113) | 87.74th | v3 (v2023.03.01) |
| Jul 5, 2023 | 1.88% (0.01884) | 86.81th | v3 (v2023.03.01) |
| May 30, 2023 | 1.34% (0.01336) | 84.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.06% (0.01063) | 81.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.78% (0.00785) | 22.12th | v1 |
| Jan 6, 2022 | 0.78% (0.00785) | 21.52th | v1 |
| Sep 1, 2021 | 0.78% (0.00785) | 52.07th | v1 |
| Apr 14, 2021 | 0.78% (0.00785) | 0.00th | v1 |
References (2)
- https://gist.github.com/jonaslejon/5f92779848360a1a1e676af0795bd9aa x_refsource_MISCExploitThird Party Advisory
- https://kryptera.se/sarbarhet-i-episerver/ x_refsource_MISCExploitMitigationThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://gist.github.com/jonaslejon/5f92779848360a1a1e676af0795bd9aa | x_refsource_MISCExploitThird Party Advisory | |
| https://kryptera.se/sarbarhet-i-episerver/ | x_refsource_MISCExploitMitigationThird Party Advisory |
Change history (0)
No recorded changes yet.