CVE-2021-4274 json
sileht bird-lg layout.html cross site scripting
published 2022-12-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34115
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
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. 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.
Patch / fix
- github.com/sileht/bird-lg@ef6b32c commit
- github.com/sileht/bird-lg#82 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- sileht bird-lg
Classification
References
-
github.com
/sileht/bird-lg/pull/82
patch, third-party-advisory
-
github.com
/sileht/bird-lg/commit/ef6b32c527478fefe7a4436e10b96ee28ed5b308
patch, third-party-advisory
-
vuldb.com
/?id.216479
third-party-advisory
Sources
- CVE List CVE-2021-4274
- NVD CVE-2021-4274
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