player.swf in LongTail JW Player 5.9 allows remote attackers to conduct cross-site scripting (XSS) attacks to inject arbitrary web script o…

published 2012-05-21 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2884

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.4%; EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits: 1; Exploit-DB

player.swf in LongTail JW Player 5.9 allows remote attackers to conduct cross-site scripting (XSS) attacks to inject arbitrary web script or HTML via multiple "javascript:" sequences in the debug parameter.

Timeline

2012-05-16 First public exploit (EDB-37205)
2012-05-21 Published

Exploit prediction

4.44% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-37205 LongTail JW Player - 'debug' Cross-Site Scripting webapps, 2012-05-16
longtailvideo.com http://www.longtailvideo.com/support/forums/jw-player/bug-reports/26699/xss-exists-in-debug-functionality referenced PoC, tagged "exploit" by a source, unverified
wooyun.org http://www.wooyun.org/bugs/wooyun-2010-07166 referenced PoC, tagged "exploit" by a source, unverified
developer.longtailvideo.com http://developer.longtailvideo.com/trac/ticket/1585 referenced PoC, tagged "exploit" by a source, unverified
securityfocus.com http://www.securityfocus.com/bid/53554 referenced PoC, tagged "exploit" by a source, unverified
seclists.org http://seclists.org/fulldisclosure/2012/May/132 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

longtailvideo.com /support/forums/jw-player/bug-reports/26699/xss-exists-in-debug-functionality
exploit
wooyun.org /bugs/wooyun-2010-07166
exploit
developer.longtailvideo.com /trac/ticket/1585
exploit
securityfocus.com /bid/53554
vdb-entry, exploit
seclists.org /fulldisclosure/2012/May/132
mailing-list, exploit
secunia.com /advisories/49130
third-party-advisory, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/75672
vdb-entry

Sources

CVE List CVE-2012-2904
NVD CVE-2012-2904

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.

Summary