Cross-site scripting (XSS) vulnerability in WordPress before 4.2.3 allows remote authenticated users to inject arbitrary web script or HTML by leveraging the Author or Contributor role to place a crafted shortcode inside an HTML element, related to wp-includes/kses.php and wp-includes/shortcodes.php
Published Aug 3, 2015
3.5
LOWCVSS 2.0
EPSS 4.91%
Description
Cross-site scripting (XSS) vulnerability in WordPress before 4.2.3 allows remote authenticated users to inject arbitrary web script or HTML by leveraging the Author or Contributor role to place a crafted shortcode inside an HTML element, related to wp-includes/kses.php and wp-includes/shortcodes.php.
Affected products
No data.
Configuration 2
- 8.0
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:N/I:P/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 2, 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 4.91% (0.04909) | 91.84th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.63% (0.05633) | 91.92th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.97% (0.00968) | 74.56th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.46% (0.10463) | 88.65th | v4 (v2025.03.14) |
| Mar 24, 2025 | 0.97% (0.00968) | 74.50th | v4 (v2025.03.14) |
| Mar 23, 2025 | 5.78% (0.05779) | 88.76th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.97% (0.00968) | 75.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.42% (0.00423) | 75.08th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.42% (0.00423) | 73.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.42% (0.00423) | 70.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.63% (0.01633) | 75.91th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.63% (0.01633) | 75.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.63% (0.01633) | 73.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.63% (0.01633) | 52.70th | v2 (v2022.01.01) |
References (11)
- http://codex.wordpress.org/Version_4.2.3 x_refsource_CONFIRMPatch
- http://openwall.com/lists/oss-security/2015/07/23/18 mailing-listx_refsource_MLIST
- http://www.debian.org/security/2015/dsa-3328 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2015/dsa-3332 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2015/dsa-3383 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/76011 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1033037 vdb-entryx_refsource_SECTRACK
- https://core.trac.wordpress.org/changeset/33359 x_refsource_CONFIRM
- https://klikki.fi/adv/wordpress3.html x_refsource_MISC
- https://wordpress.org/news/2015/07/wordpress-4-2-3/ x_refsource_CONFIRMPatchVendor Advisory
- https://wpvulndb.com/vulnerabilities/8111 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://codex.wordpress.org/Version_4.2.3 | x_refsource_CONFIRMPatch | |
| http://openwall.com/lists/oss-security/2015/07/23/18 | mailing-listx_refsource_MLIST | |
| http://www.debian.org/security/2015/dsa-3328 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.debian.org/security/2015/dsa-3332 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.debian.org/security/2015/dsa-3383 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/76011 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1033037 | vdb-entryx_refsource_SECTRACK | |
| https://core.trac.wordpress.org/changeset/33359 | x_refsource_CONFIRM | |
| https://klikki.fi/adv/wordpress3.html | x_refsource_MISC | |
| https://wordpress.org/news/2015/07/wordpress-4-2-3/ | x_refsource_CONFIRMPatchVendor Advisory | |
| https://wpvulndb.com/vulnerabilities/8111 | x_refsource_MISC |
Change history (0)
No recorded changes yet.