CVE-2021-4273

MEDIUMNVD 4.36.1▲
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-12-21. NVD baseline CVSS 4.3; sources differ by 1.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability classified as problematic was found in studygolang. This vulnerability affects the function Search of the file http/controller/search.go. The manipulation of the argument q leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 97ba556d42fa89dfaa7737e9cd3a8ddaf670bb23. It is recommended to apply a patch to fix this issue. VDB-216478 is the identifier assigned to this vulnerability.

CVSS v3
4.3
EG Score
6.1(medium)
EPSS
41.2%
KEV
Not listed

Published

December 21, 2022

Last Modified

November 21, 2024

References (6)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 47× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-09 19:07 UTCEPSS rescore
  3. 2026-07-09 19:07 UTCEPSS rescore
  4. 2026-07-08 15:12 UTCEPSS rescore
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  9. 2026-07-06 02:21 UTCEPSS rescore
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  11. 2026-07-05 02:28 UTCEPSS rescore
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  13. 2026-07-04 06:29 UTCEPSS rescore
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  15. 2026-07-01 15:04 UTCEPSS rescore
  16. 2026-06-30 23:20 UTCEPSS rescore
  17. 2026-06-29 14:04 UTCEPSS rescore
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  19. 2026-06-28 14:05 UTCEPSS rescore
  20. 2026-06-28 10:49 UTCOSV refresh
  21. 2026-06-28 04:54 UTCEPSS rescore
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  23. 2026-06-27 03:07 UTCEPSS rescore
  24. 2026-06-27 03:06 UTCEPSS rescore
  25. 2026-06-25 13:48 UTCEPSS rescore
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  1. 2026-06-25 13:48 UTCEPSS rescore
  2. 2026-06-24 14:03 UTCEPSS rescore
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  4. 2026-06-23 21:31 UTCEPSS rescore
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  6. 2026-06-22 14:24 UTCEPSS rescore
  7. 2026-06-21 14:55 UTCEPSS rescore
  8. 2026-06-21 01:58 UTCEPSS rescore
  9. 2026-06-21 01:58 UTCEPSS rescore
  10. 2026-06-19 19:24 UTCEPSS rescore
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  12. 2026-06-18 17:51 UTCEPSS rescore
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  17. 2026-06-15 17:46 UTCEPSS rescore
  18. 2026-06-14 23:15 UTCEPSS rescore
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  20. 2026-06-13 22:58 UTCEPSS rescore
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  22. 2026-06-12 23:10 UTCEPSS rescore
  23. 2026-06-11 13:58 UTCEPSS rescore
  24. 2026-06-10 22:16 UTCEPSS rescore
  25. 2026-06-10 21:17 UTCOSV refresh
  26. 2026-06-10 13:20 UTCEPSS rescore
  27. 2026-06-08 14:15 UTCEPSS rescore
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  30. 2026-06-07 15:23 UTCEPSS rescore
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  40. 2026-06-02 20:11 UTCEPSS rescore
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  42. 2026-06-01 13:50 UTCEPSS rescore
  43. 2026-06-01 13:50 UTCEPSS rescore
  44. 2026-05-31 22:29 UTCEPSS rescore
  45. 2026-05-31 00:15 UTCEPSS rescore
  46. 2026-05-31 00:15 UTCEPSS rescore
  47. 2026-05-29 13:42 UTCEPSS rescore
  48. 2026-05-28 13:43 UTCEPSS rescore
  49. 2026-05-28 13:43 UTCEPSS rescore
  50. 2026-05-27 13:39 UTCEPSS rescore
  51. 2026-05-27 13:39 UTCEPSS rescore
  52. 2026-05-26 13:43 UTCEPSS rescore
  53. 2026-05-26 13:42 UTCEPSS rescore
  54. 2026-05-26 07:17 UTCEPSS rescore
  55. 2026-05-26 07:17 UTCEPSS rescore
  56. 2026-05-25 10:06 UTCEG score recompute
  57. 2026-05-25 10:06 UTCGHSA enrichment
  58. 2026-05-24 01:21 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-4273?
CVE-2021-4273 is a medium vulnerability published on December 21, 2022. A vulnerability classified as problematic was found in studygolang. This vulnerability affects the function Search of the file http/controller/search.go. The manipulation of the argument q leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the…
When was CVE-2021-4273 disclosed?
CVE-2021-4273 was first published in the National Vulnerability Database on December 21, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-4273 actively exploited?
CVE-2021-4273 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-4273?
CVE-2021-4273 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.1.
How do I remediate CVE-2021-4273?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-4273, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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