CVE-2022-38295
Published: 12 September 2022
Summary
CVE-2022-38295 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Cuppacms Cuppacms. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 6.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
Cuppa CMS version 1.0 contains a cross-site scripting vulnerability in the component located at /table_manager/view/cu_user_groups. The flaw is triggered when an attacker-supplied payload is placed in the Name field of the Add New Group function, allowing arbitrary script or HTML execution. The issue is tracked as CWE-79 and carries a CVSS 3.1 score of 6.1.
An unauthenticated remote attacker can exploit the vulnerability by crafting a request that stores the malicious payload in the application; when a victim user later views the affected page the script executes in the victim's browser context. Successful exploitation can result in theft of session tokens, redirection to malicious sites, or other actions within the scope of the affected user's browser.
The associated GitHub issue reports provide no details on official patches or mitigation steps. The EPSS score for this CVE rose from a low baseline to a peak of 0.4304 on 2026-05-17 before receding to the current value of 0.1071, indicating that exploitation interest increased after public disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40887
Vulnerability details
Cuppa CMS v1.0 was discovered to contain a cross-site scripting vulnerability at /table_manager/view/cu_user_groups. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name field under the Add New Group function.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.