CVE-2023-23956
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
- Record
CVE-2023-23956- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
- Record
CVE-2023-23956- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-28021
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
- Record
EUVD-2023-28021- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gppq-ggm3-q93m
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
- Record
GHSA-gppq-ggm3-q93m- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Symantec SiteMinder WebAgent v12.52 - Cross-site scripting (XSS) | 2023-06-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-23956 is a medium vulnerability (CVSS 5.4) in Broadcom Symantec Siteminder Webagent, published May 30, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.08%, the 87th percentile. No source names a fixed version.