CVE-2017-17094 json
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…
published 8y ago modified 4mo ago also EUVD-2017-8260
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- wordpress wordpress 4.9.1
- wordpress Debian 14, Debian 13, Debian 12 4.9.1+dfsg-1
debian advisories DEBIAN-CVE-2017-17094
- github.com/WordPress/WordPress@f1de7e4 commit
- wpvulndb.com/vulnerabilities/8967 advisory
- codex.wordpress.org/Version_4.9.1 advisory
Is CVE-2017-17094 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.00% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
github.com
/WordPress/WordPress/commit/f1de7e42df29395c3314bf85bff3d1f4f90541de
patch, third-party-advisory
-
wpvulndb.com
/vulnerabilities/8967
patch, third-party-advisory, vdb-entry
-
codex.wordpress.org
/Version_4.9.1
patch, vendor-advisory
-
debian.org
/security/2018/dsa-4090
vendor-advisory, third-party-advisory
-
wordpress.org
/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/
release-notes, vendor-advisory
-
lists.debian.org
/debian-lts-announce/2017/12/msg00019.html
mailing-list, third-party-advisory
-
securityfocus.com
/bid/102024
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-17094
- NVD CVE-2017-17094
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.