CVE-2021-23271 TIBCO EBX Cross Site Scripting (XSS)
A low-privileged attacker can execute stored cross-site scripting attacks on TIBCO EBX, potentially compromising user sessions and data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-23271?
CVE-2021-23271 is a high-severity cross-site scripting vulnerability in TIBCO EBX, published on 2 Feb 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The TIBCO EBX Web Server component of TIBCO Software Inc.'s TIBCO EBX contains a vulnerability that theoretically allows a low privileged attacker with network access to execute a Stored Cross Site Scripting (XSS) attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO EBX: versions 5.9.12 and below.
Weakness: CWE-79
Which versions are affected by CVE-2021-23271?
It affects 1 product.
Products include Tibco Ebx.
How do I fix CVE-2021-23271?
No fix has been published for CVE-2021-23271 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-23271 being exploited?
There is no known exploitation of CVE-2021-23271 in the wild and no public exploit code.
Other vulnerabilities in TIBCO EBX
- CVE-2021-35498 TIBCO EBX Insecure Login Mechanism
- CVE-2019-17330 TIBCO EBX Exposes Multiple Cross-Site Scripting Vulnerabilities
- CVE-2023-26222 TIBCO EBX Cross-site Scripting (XXS) Vulnerability
- CVE-2022-41565 TIBCO EBX Cross Site Scripting (XSS) Vulnerability
- CVE-2022-30577 TIBCO EBX Stored XSS vulnerability
Sources
Also known as GHSA-cxjj-qqpm-cpcq.