MEDIUM
Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php
Published Jan 15, 2017
6.1
MEDIUMCVSS 3.0
EPSS 2.44%
Description
Cross-site scripting (XSS) vulnerability in the theme-name fallback functionality in wp-includes/class-wp-theme.php in WordPress before 4.7.1 allows remote attackers to inject arbitrary web script or HTML via a crafted directory name of a theme, related to wp-admin/includes/class-theme-installer-skin.php.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
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.
2.44% 0.02436
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02436
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 (44 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.44% (0.02436) | 83.69th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.44% (0.02436) | 83.56th | v5 (v2026.06.15) |
| Sep 21, 2026 | 3.49% (0.03489) | 88.61th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.44% (0.02436) | 83.20th | v5 (v2026.06.15) |
| Sep 5, 2026 | 3.49% (0.03489) | 88.36th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.44% (0.02436) | 83.11th | v5 (v2026.06.15) |
| Aug 28, 2026 | 3.49% (0.03489) | 88.29th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.44% (0.02436) | 83.02th | v5 (v2026.06.15) |
| Aug 23, 2026 | 3.49% (0.03489) | 88.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.44% (0.02436) | 82.09th | v5 (v2026.06.15) |
| Mar 4, 2026 | 1.31% (0.01307) | 79.50th | v4 (v2025.03.14) |
| Mar 1, 2026 | 5.42% (0.05424) | 90.03th | v4 (v2025.03.14) |
| Feb 4, 2026 | 1.31% (0.01307) | 79.41th | v4 (v2025.03.14) |
| Feb 1, 2026 | 5.42% (0.05424) | 89.97th | v4 (v2025.03.14) |
| Jan 4, 2026 | 1.31% (0.01307) | 79.32th | v4 (v2025.03.14) |
| Jan 1, 2026 | 5.42% (0.05424) | 89.93th | v4 (v2025.03.14) |
| Dec 4, 2025 | 1.31% (0.01307) | 79.17th | v4 (v2025.03.14) |
| Dec 1, 2025 | 5.42% (0.05424) | 89.84th | v4 (v2025.03.14) |
| Nov 4, 2025 | 1.31% (0.01307) | 79.12th | v4 (v2025.03.14) |
| Nov 1, 2025 | 5.42% (0.05424) | 89.75th | v4 (v2025.03.14) |
| Oct 4, 2025 | 1.31% (0.01307) | 79.09th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.42% (0.05424) | 89.78th | v4 (v2025.03.14) |
| Sep 4, 2025 | 0.95% (0.00953) | 75.54th | v4 (v2025.03.14) |
| Sep 1, 2025 | 2.84% (0.02840) | 85.76th | v4 (v2025.03.14) |
| Aug 4, 2025 | 0.95% (0.00953) | 75.47th | v4 (v2025.03.14) |
| Aug 1, 2025 | 2.44% (0.02445) | 84.66th | v4 (v2025.03.14) |
| Jul 4, 2025 | 1.31% (0.01307) | 78.86th | v4 (v2025.03.14) |
| Jul 1, 2025 | 4.10% (0.04097) | 88.15th | v4 (v2025.03.14) |
| Jun 4, 2025 | 1.31% (0.01307) | 78.78th | v4 (v2025.03.14) |
| Jun 1, 2025 | 4.10% (0.04097) | 88.07th | v4 (v2025.03.14) |
| May 4, 2025 | 1.31% (0.01307) | 78.70th | v4 (v2025.03.14) |
| May 1, 2025 | 4.10% (0.04097) | 87.99th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.31% (0.01307) | 77.94th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.35% (0.05349) | 83.09th | v4 (v2025.03.14) |
| Mar 24, 2025 | 1.31% (0.01307) | 77.90th | v4 (v2025.03.14) |
| Mar 23, 2025 | 5.35% (0.05349) | 88.25th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.31% (0.01307) | 78.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00473) | 76.47th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00473) | 74.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00473) | 71.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.78% (0.01776) | 53.99th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.75% (0.02748) | 63.06th | v5 (v2026.06.15) |
| Apr 14, 2021 | 2.75% (0.02748) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://www.debian.org/security/2017/dsa-3779 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2017/01/14/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/95402 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1037591 vdb-entryx_refsource_SECTRACK
- https://codex.wordpress.org/Version_4.7.1 x_refsource_CONFIRMRelease NotesVendor Advisory
- https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359 x_refsource_CONFIRMPatch
- https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ x_refsource_CONFIRMVendor Advisory
- https://wpvulndb.com/vulnerabilities/8718 x_refsource_MISC
- https://www.mehmetince.net/low-severity-wordpress/ x_refsource_MISCTechnical DescriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3779 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.openwall.com/lists/oss-security/2017/01/14/6 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| http://www.securityfocus.com/bid/95402 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1037591 | vdb-entryx_refsource_SECTRACK | |
| https://codex.wordpress.org/Version_4.7.1 | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| https://github.com/WordPress/WordPress/commit/ce7fb2934dd111e6353784852de8aea2a938b359 | x_refsource_CONFIRMPatch | |
| https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/ | x_refsource_CONFIRMVendor Advisory | |
| https://wpvulndb.com/vulnerabilities/8718 | x_refsource_MISC | |
| https://www.mehmetince.net/low-severity-wordpress/ | x_refsource_MISCTechnical DescriptionThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 15, 2017
Updated Aug 5, 2024
Reserved Jan 14, 2017
Link CVE-2017-5490
CISA Vulnrichment
Updated n/a