EpubCheck 4.0.1 is vulnerable to external XML entity processing attacks
Published Jul 13, 2018
7.8
HIGHCVSS 3.1
EPSS 1.26%
Description
EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation. An attacker who supplies a specially crafted EPUB file may be able to exploit this behavior to read arbitrary files, or have the victim execute arbitrary requests on his behalf, abusing the victim's trust relationship with other entities.
Affected products
-
- Version 4.0.1StatusaffectedConstraints-
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
EpubCheck has released version 4.0.2 to address the vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
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 | 1.26% (0.01262) | 68.59th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.28% (0.01279) | 66.11th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.13% (0.00133) | 30.42th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00072) | 33.13th | v3 (v2023.03.01) |
| Dec 4, 2023 | 0.07% (0.00072) | 29.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (2)
- https://www.kb.cert.org/vuls/id/779243 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- https://www.securityfocus.com/bid/94864/ vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://www.kb.cert.org/vuls/id/779243 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource | |
| https://www.securityfocus.com/bid/94864/ | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.