CVE-2021-4274
Published: 21 December 2022
Summary
CVE-2021-4274 is a low-severity Improper Neutralization (CWE-707) vulnerability in Bird-Lg Project Bird-Lg. Its CVSS base score is 3.5 (Low).
Operationally, ranked in the top 49.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-34115
Vulnerability details
A vulnerability, which was classified as problematic, has been found in sileht bird-lg. This issue affects some unknown processing of the file templates/layout.html. The manipulation of the argument request_args leads to cross site scripting. The attack may be initiated remotely.…
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The name of the patch is ef6b32c527478fefe7a4436e10b96ee28ed5b308. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216479.
- 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.
Enforces use of documented standards and tool configurations that address proper neutralization of inputs/outputs during development.
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.