Vulnerability identifier: #VU52466

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28827

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TIBCO Administrator Enterprise Edition
Server applications / Other server solutions
TIBCO Administrator Enterprise Edition Distribution for TIBCO Silver Fabric
Server applications / Other server solutions
TIBCO Administrator Enterprise Edition for z/Linux
Server applications / Other server solutions
TIBCO Runtime Agent
Server applications / Other server solutions
TIBCO Runtime Agent for z/Linux
Server applications / Other server solutions

Vendor: TIBCO

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the Administration GUI component. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TIBCO Administrator Enterprise Edition: 5.10.2 - 5.11.1

TIBCO Administrator Enterprise Edition Distribution for TIBCO Silver Fabric: 5.10.2 - 5.11.1

TIBCO Administrator Enterprise Edition for z/Linux: 5.10.2 - 5.11.1

TIBCO Runtime Agent: 5.10.2 - 5.11.1

TIBCO Runtime Agent for z/Linux: 5.10.2 - 5.11.1

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External links
http://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.