CVE-2023-36121
Published: 02 August 2023
Summary
CVE-2023-36121 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in E107 E107. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 16.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2023-36121 is a cross-site scripting vulnerability, tracked under CWE-79, that affects the description function within the SEO project of e107 version 2.3.2. The flaw carries a CVSS 3.1 base score of 5.4 and permits a remote attacker to supply crafted input that is rendered without adequate sanitization.
An authenticated user with low privileges can exploit the issue by submitting malicious content through the affected SEO description field. Successful exploitation results in arbitrary script execution in the context of other users who view the injected content, enabling actions such as session hijacking or unauthorized actions within the application.
EPSS for this CVE rose from a low baseline to a peak of 0.1021 on 2025-01-22 before receding to its current value of 0.0190, indicating a period of increased exploitation interest after public disclosure. Public references include proof-of-concept material on Exploit-DB and GitHub repositories that demonstrate the injection vector.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-40100
Vulnerability details
Cross Site Scripting vulnerability in e107 v.2.3.2 allows a remote attacker to execute arbitrary code via the description function in the SEO project.
- 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.