CVE-2021-27190
Published: 12 February 2021
Summary
CVE-2021-27190 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Peel Peel Shopping. Its CVSS base score is 5.4 (Medium).
Operationally, ranked in the top 11.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13956
Vulnerability details
A Stored Cross Site Scripting(XSS) Vulnerability was discovered in PEEL SHOPPING 9.3.0 and 9.4.0, which are publicly available. The user supplied input containing polyglot payload is echoed back in javascript code in HTML response. This allows an attacker to input…
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malicious JavaScript which can steal cookie, redirect them to other malicious website, etc.
- 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.