CVE-2021-33347
Published: 18 June 2021
Summary
CVE-2021-33347 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Jpress Jpress. Its CVSS base score is 5.4 (Medium).
Operationally, ranked at the 38.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20055
Vulnerability details
An issue was discovered in JPress v3.3.0 and below. There are XSS vulnerabilities in the template module and tag management module. If you log in to the background by means of weak password, the storage XSS vulnerability can occur.
- 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.