CVE-2017-17092
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html...
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
CVE-2017-17092- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
CVE-2017-17092- Updated
- 2026-11-02
EUVDEUVD-2017-8258 No score
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
EUVD-2017-8258- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-256m-wxxh-gf6h
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html...
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
GHSA-256m-wxxh-gf6h- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
CVE-2017-17092- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-17092
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
DEBIAN-CVE-2017-17092- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-17092
wp-includes/functions.php in WordPress before 4.9.1 does not require the unfiltered_html capability for upload of .js files, which might allow remote attackers to conduct XSS attacks via a crafted file.
- Record
UBUNTU-CVE-2017-17092- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
wordpressDebian:12 |
before 4.9.1+dfsg-1 | 4.9.1+dfsg-1 |
wordpressDebian:13 |
before 4.9.1+dfsg-1 | 4.9.1+dfsg-1 |
wordpressDebian:14 |
before 4.9.1+dfsg-1 | 4.9.1+dfsg-1 |
wordpressDebian:7 From an advisory covering 4 CVEs |
before 3.6.1+dfsg-1~deb7u20, plus listed versions 3.5.1+dfsg-23.5.2+dfsg-13.5.2+dfsg-1~deb6u13.5.2+dfsg-1~deb7u13.6+dfsg-1 Show 27 moreShow less3.6.1+dfsg-1~deb6u13.6.1+dfsg-1~deb6u23.6.1+dfsg-1~deb6u33.6.1+dfsg-1~deb6u43.6.1+dfsg-1~deb6u53.6.1+dfsg-1~deb6u63.6.1+dfsg-1~deb6u73.6.1+dfsg-1~deb6u83.6.1+dfsg-1~deb6u93.6.1+dfsg-1~deb7u13.6.1+dfsg-1~deb7u103.6.1+dfsg-1~deb7u113.6.1+dfsg-1~deb7u123.6.1+dfsg-1~deb7u133.6.1+dfsg-1~deb7u143.6.1+dfsg-1~deb7u153.6.1+dfsg-1~deb7u163.6.1+dfsg-1~deb7u173.6.1+dfsg-1~deb7u183.6.1+dfsg-1~deb7u193.6.1+dfsg-1~deb7u23.6.1+dfsg-1~deb7u33.6.1+dfsg-1~deb7u43.6.1+dfsg-1~deb7u53.6.1+dfsg-1~deb7u63.6.1+dfsg-1~deb7u83.6.1+dfsg-1~deb7u9 |
3.6.1+dfsg-1~deb7u20 |
wordpressDebian:8 From an advisory covering 5 CVEs |
before 4.1+dfsg-1+deb8u16, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u104.1+dfsg-1+deb8u114.1+dfsg-1+deb8u12 Show 11 moreShow less4.1+dfsg-1+deb8u134.1+dfsg-1+deb8u144.1+dfsg-1+deb8u154.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u64.1+dfsg-1+deb8u74.1+dfsg-1+deb8u84.1+dfsg-1+deb8u9 |
4.1+dfsg-1+deb8u16 |
wordpressDebian:9 From an advisory covering 5 CVEs |
before 4.7.5+dfsg-2+deb9u2, plus listed versions 4.7.5+dfsg-24.7.5+dfsg-2+deb9u14.7.5+dfsg-2+deb9u1~bpo8+14.7.5+dfsg-2+deb9u2~bpo8+1 |
4.7.5+dfsg-2+deb9u2 |
wordpressUbuntu:16.04:LTS |
All versions, plus listed versions 4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | WordPress < 4.9.1 - Authenticated JavaScript File Upload |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-17092 is a medium vulnerability (CVSS 5.4) in Wordpress, published December 2, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.47%, the 89th percentile. Fixed in wordpress 4.9.1+dfsg-1.
References
debian.org/security/2018/dsa-4090
lists.debian.org/debian-lts-announce/2017/12/msg00019.html
github.com/WordPress/WordPress/commit/67d03a98c2cae5f41843c897f206adde299b0509
securityfocus.com/bid/102024
codex.wordpress.org/Version_4.9.1
wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release