CVE-2010-4837
Cross-site scripting (XSS) vulnerability in the JSupport (com_jsupport) component 1.5.6 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the subject parameter (title field) in a saveTicket action to index2.php.
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.5%. Treat it as high on anything reachable from the internet.
Description
Cross-site scripting (XSS) vulnerability in the JSupport (com_jsupport) component 1.5.6 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the subject parameter (title field) in a saveTicket action to index2.php. NOTE: some of these details are obtained from third party information.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.53% probability · 75th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 12 November 2010
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- extensiondepot/com jsupport
- Source
- cve@mitre.org
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.org/files/view/95796/joomlajsupport-xss.txtExploit
- http://secunia.com/advisories/42262Vendor Advisory
- http://securityreason.com/securityalert/8377
- http://www.exploit-db.com/exploits/15501Exploit
- http://www.xenuser.org/documents/security/Joomla_com_jsupport_XSS.txtExploit
- http://packetstormsecurity.org/files/view/95796/joomlajsupport-xss.txtExploit
- http://secunia.com/advisories/42262Vendor Advisory
- http://securityreason.com/securityalert/8377
- http://www.exploit-db.com/exploits/15501Exploit
- http://www.xenuser.org/documents/security/Joomla_com_jsupport_XSS.txtExploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.