LOW
CVE-2009-3891
CWE-79Published: November 17, 2009· Updated: Jun 16, 2026
3.5
CVSS v3.1
Official Description
Cross-site scripting (XSS) vulnerability in wp-admin/press-this.php in WordPress before 2.8.6 allows remote authenticated users to inject arbitrary web script or HTML via the s parameter (aka the selection variable).
Technical Analysis
CVE-2009-3891 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:S/C:N/I:P/A:N
Affected Vendors & Products
WordPress1 product(s)
wordpress
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (18)
→
http://core.trac.wordpress.org/attachment/ticket/11119/press-this-xss-bug-11-10-2009.patchPatch · Vendor Advisory
→
http://core.trac.wordpress.org/attachment/ticket/11119/press-this.002.diffPatch · Vendor Advisory
→
http://core.trac.wordpress.org/ticket/11119Vendor Advisory
→
http://secunia.com/advisories/37332Third Party Advisory
→
http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/Patch · Vendor Advisory
→
http://www.openwall.com/lists/oss-security/2009/11/15/2Mailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2009/11/15/3Mailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2009/11/16/1Mailing List · Third Party Advisory
→
http://www.osvdb.org/59959Broken Link
→
http://core.trac.wordpress.org/attachment/ticket/11119/press-this-xss-bug-11-10-2009.patchPatch · Vendor Advisory
→
http://core.trac.wordpress.org/attachment/ticket/11119/press-this.002.diffPatch · Vendor Advisory
→
http://core.trac.wordpress.org/ticket/11119Vendor Advisory
→
http://secunia.com/advisories/37332Third Party Advisory
→
http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/Patch · Vendor Advisory
→
http://www.openwall.com/lists/oss-security/2009/11/15/2Mailing List · Third Party Advisory
Quick Facts
CVE IDCVE-2009-3891
CVSS Score3.5 / 10
SeverityLOW
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedNov 17, 2009
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2009-3891 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.