MEDIUM
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL
Published Dec 2, 2017
5.4
MEDIUMCVSS 3.0
EPSS 1.99%
Description
wp-includes/feed.php in WordPress before 4.9.1 does not properly restrict enclosures in RSS and Atom fields, which might allow attackers to conduct XSS attacks via a crafted URL.
Affected products
No data.
Configuration 2
OR
- 7.0
- 8.0
- 9.0
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.
5.4 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
3.5 LOW NVD
AV:N/AC:M/Au:S/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication Single
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.99% 0.01995
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01995
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (42 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01995) | 79.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.38% (0.02376) | 81.61th | v5 (v2026.06.15) |
| May 24, 2026 | 7.95% (0.07945) | 92.15th | v4 (v2025.03.14) |
| Mar 4, 2026 | 6.62% (0.06615) | 91.00th | v4 (v2025.03.14) |
| Mar 1, 2026 | 4.74% (0.04736) | 89.26th | v4 (v2025.03.14) |
| Feb 4, 2026 | 6.62% (0.06615) | 90.96th | v4 (v2025.03.14) |
| Feb 1, 2026 | 4.74% (0.04736) | 89.19th | v4 (v2025.03.14) |
| Jan 4, 2026 | 6.62% (0.06615) | 90.88th | v4 (v2025.03.14) |
| Jan 1, 2026 | 4.74% (0.04736) | 89.13th | v4 (v2025.03.14) |
| Dec 28, 2025 | 6.62% (0.06615) | 90.86th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.61% (0.03609) | 87.47th | v4 (v2025.03.14) |
| Dec 4, 2025 | 6.62% (0.06615) | 90.82th | v4 (v2025.03.14) |
| Dec 1, 2025 | 4.74% (0.04736) | 89.05th | v4 (v2025.03.14) |
| Nov 4, 2025 | 6.62% (0.06615) | 90.76th | v4 (v2025.03.14) |
| Nov 1, 2025 | 4.74% (0.04736) | 88.96th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.62% (0.06615) | 90.76th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.61% (0.03609) | 87.29th | v4 (v2025.03.14) |
| Oct 4, 2025 | 6.62% (0.06615) | 90.81th | v4 (v2025.03.14) |
| Oct 1, 2025 | 4.74% (0.04736) | 89.00th | v4 (v2025.03.14) |
| Sep 4, 2025 | 3.61% (0.03609) | 87.34th | v4 (v2025.03.14) |
| Sep 1, 2025 | 2.55% (0.02553) | 85.02th | v4 (v2025.03.14) |
| Aug 4, 2025 | 3.61% (0.03609) | 87.37th | v4 (v2025.03.14) |
| Aug 1, 2025 | 2.55% (0.02553) | 85.00th | v4 (v2025.03.14) |
| Jul 30, 2025 | 3.61% (0.03609) | 87.35th | v4 (v2025.03.14) |
| Jul 4, 2025 | 5.93% (0.05932) | 90.20th | v4 (v2025.03.14) |
| Jul 1, 2025 | 4.24% (0.04236) | 88.33th | v4 (v2025.03.14) |
| Jun 4, 2025 | 5.93% (0.05932) | 90.15th | v4 (v2025.03.14) |
| Jun 1, 2025 | 4.24% (0.04236) | 88.26th | v4 (v2025.03.14) |
| May 4, 2025 | 5.93% (0.05932) | 90.10th | v4 (v2025.03.14) |
| May 1, 2025 | 4.24% (0.04236) | 88.18th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.93% (0.05932) | 89.68th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.36% (0.20359) | 92.73th | v4 (v2025.03.14) |
| Mar 24, 2025 | 5.93% (0.05932) | 89.69th | v4 (v2025.03.14) |
| Mar 23, 2025 | 17.01% (0.17010) | 94.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.93% (0.05932) | 89.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00099) | 42.71th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.10% (0.00099) | 40.24th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
Weaknesses (1)
References (7)
- http://www.securityfocus.com/bid/102024 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://codex.wordpress.org/Version_4.9.1 x_refsource_MISCPatchVendor Advisory
- https://github.com/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ x_refsource_MISCRelease NotesVendor Advisory
- https://wpvulndb.com/vulnerabilities/8967 x_refsource_MISCPatchThird Party AdvisoryVDB Entry
- https://www.debian.org/security/2018/dsa-4090 vendor-advisoryx_refsource_DEBIANThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/102024 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://codex.wordpress.org/Version_4.9.1 | x_refsource_MISCPatchVendor Advisory | |
| https://github.com/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de | x_refsource_MISCPatchThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/ | x_refsource_MISCRelease NotesVendor Advisory | |
| https://wpvulndb.com/vulnerabilities/8967 | x_refsource_MISCPatchThird Party AdvisoryVDB Entry | |
| https://www.debian.org/security/2018/dsa-4090 | vendor-advisoryx_refsource_DEBIANThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 2, 2017
Updated Aug 5, 2024
Reserved Dec 2, 2017
Link CVE-2017-17094
CISA Vulnrichment
Updated n/a