CVE-2021-47968

MEDIUMNVD 6.46.4—
EchelonGraph scoreMEDIUM confidence

Score 6.4 from GitHub Security Advisory published 2026-05-15. NVD baseline CVSS 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.4Exploit: NoneExposed: 0

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

Podcast Generator 3.1 is vulnerable to persistent cross-site scripting, allowing authenticated attackers to inject malicious scripts by submitting unfiltered JavaScript code in the long_description parameter. Attackers can inject script tags through episode creation or editing requests to execute arbitrary JavaScript when other users view the episode details.

CVSS v3
6.4
EG Score
6.4(medium)
EPSS
9.2%
KEV
Not listed

Published

May 15, 2026

Last Modified

May 26, 2026

Advisory Details (2)

Auto-updated May 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Podcast Generator 3.1 Persistent Cross-Site Scripting via long_description | Advisories | VulnCheck

https://www.vulncheck.com/advisories/podcast-generator-persistent-cross-site-scripting-via-long-description
generic🟡 PoC Available

Podcast Generator 3.1 - 'Long Description' Persistent Cross-Site Scripting (XSS) - PHP webapps Exploit

https://www.exploit-db.com/exploits/49866

Vendor Advisories for CVE-2021-47968(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 60× 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.

Showing the most recent 100 of 166 total refreshes for this CVE.

  1. 2026-07-15 01:58 UTCEPSS rescore
  2. 2026-07-15 01:58 UTCEPSS rescore
  3. 2026-07-13 22:27 UTCEPSS rescore
  4. 2026-07-13 06:11 UTCEPSS rescore
  5. 2026-07-13 06:11 UTCEPSS rescore
  6. 2026-07-12 05:44 UTCEPSS rescore
  7. 2026-07-11 08:25 UTCEPSS rescore
  8. 2026-07-09 19:07 UTCEPSS rescore
  9. 2026-07-09 19:07 UTCEPSS rescore
  10. 2026-07-08 15:12 UTCEPSS rescore
  11. 2026-07-08 15:12 UTCEPSS rescore
  12. 2026-07-07 13:43 UTCEPSS rescore
  13. 2026-07-06 16:25 UTCEPSS rescore
  14. 2026-07-06 16:25 UTCEPSS rescore
  15. 2026-07-06 02:21 UTCEPSS rescore
  16. 2026-07-06 02:21 UTCEPSS rescore
  17. 2026-07-05 02:28 UTCEPSS rescore
  18. 2026-07-05 02:28 UTCEPSS rescore
  19. 2026-07-04 06:29 UTCEPSS rescore
  20. 2026-07-04 06:29 UTCEPSS rescore
  21. 2026-07-01 15:04 UTCEPSS rescore
  22. 2026-06-30 23:20 UTCEPSS rescore
  23. 2026-06-29 21:27 UTCEG score recompute
  24. 2026-06-29 21:27 UTCGHSA enrichment
  25. 2026-06-29 14:04 UTCEPSS rescore
Show 75 more
  1. 2026-06-29 14:04 UTCEPSS rescore
  2. 2026-06-28 14:05 UTCEPSS rescore
  3. 2026-06-28 04:54 UTCEPSS rescore
  4. 2026-06-28 04:54 UTCEPSS rescore
  5. 2026-06-27 21:51 UTCEG score recompute
  6. 2026-06-27 21:51 UTCGHSA enrichment
  7. 2026-06-27 03:07 UTCEPSS rescore
  8. 2026-06-27 03:06 UTCEPSS rescore
  9. 2026-06-26 20:10 UTCEG score recompute
  10. 2026-06-26 20:10 UTCGHSA enrichment
  11. 2026-06-25 18:44 UTCEG score recompute
  12. 2026-06-25 18:44 UTCGHSA enrichment
  13. 2026-06-25 13:48 UTCEPSS rescore
  14. 2026-06-25 13:48 UTCEPSS rescore
  15. 2026-06-24 14:03 UTCEPSS rescore
  16. 2026-06-24 14:03 UTCEPSS rescore
  17. 2026-06-23 21:31 UTCEPSS rescore
  18. 2026-06-23 21:31 UTCEPSS rescore
  19. 2026-06-22 14:24 UTCEPSS rescore
  20. 2026-06-21 14:55 UTCEPSS rescore
  21. 2026-06-21 01:58 UTCEPSS rescore
  22. 2026-06-21 01:58 UTCEPSS rescore
  23. 2026-06-19 19:24 UTCEPSS rescore
  24. 2026-06-19 19:24 UTCEPSS rescore
  25. 2026-06-18 17:51 UTCEPSS rescore
  26. 2026-06-18 17:51 UTCEPSS rescore
  27. 2026-06-18 00:04 UTCEG score recompute
  28. 2026-06-18 00:04 UTCGHSA enrichment
  29. 2026-06-17 17:51 UTCEPSS rescore
  30. 2026-06-17 17:51 UTCEPSS rescore
  31. 2026-06-17 00:23 UTCEG score recompute
  32. 2026-06-17 00:23 UTCGHSA enrichment
  33. 2026-06-16 17:51 UTCEPSS rescore
  34. 2026-06-16 00:43 UTCEG score recompute
  35. 2026-06-16 00:43 UTCGHSA enrichment
  36. 2026-06-15 17:46 UTCEPSS rescore
  37. 2026-06-15 01:00 UTCEG score recompute
  38. 2026-06-15 01:00 UTCGHSA enrichment
  39. 2026-06-14 23:15 UTCEPSS rescore
  40. 2026-06-14 23:15 UTCEPSS rescore
  41. 2026-06-14 01:18 UTCEG score recompute
  42. 2026-06-14 01:17 UTCGHSA enrichment
  43. 2026-06-13 22:58 UTCEPSS rescore
  44. 2026-06-13 22:58 UTCEPSS rescore
  45. 2026-06-13 01:35 UTCEG score recompute
  46. 2026-06-13 01:35 UTCGHSA enrichment
  47. 2026-06-12 23:10 UTCEPSS rescore
  48. 2026-06-12 01:54 UTCEG score recompute
  49. 2026-06-12 01:54 UTCGHSA enrichment
  50. 2026-06-11 13:58 UTCEPSS rescore
  51. 2026-06-11 02:13 UTCEG score recompute
  52. 2026-06-11 02:13 UTCGHSA enrichment
  53. 2026-06-10 22:16 UTCEPSS rescore
  54. 2026-06-10 13:20 UTCEPSS rescore
  55. 2026-06-10 02:33 UTCEG score recompute
  56. 2026-06-10 02:33 UTCGHSA enrichment
  57. 2026-06-09 02:53 UTCEG score recompute
  58. 2026-06-09 02:53 UTCGHSA enrichment
  59. 2026-06-08 14:15 UTCEPSS rescore
  60. 2026-06-08 14:15 UTCEPSS rescore
  61. 2026-06-08 14:15 UTCEPSS rescore
  62. 2026-06-08 03:12 UTCEG score recompute
  63. 2026-06-08 03:12 UTCGHSA enrichment
  64. 2026-06-07 15:23 UTCEPSS rescore
  65. 2026-06-07 15:23 UTCEPSS rescore
  66. 2026-06-07 03:32 UTCEG score recompute
  67. 2026-06-07 03:32 UTCGHSA enrichment
  68. 2026-06-06 13:46 UTCEPSS rescore
  69. 2026-06-06 13:46 UTCEPSS rescore
  70. 2026-06-06 03:52 UTCEG score recompute
  71. 2026-06-06 03:52 UTCGHSA enrichment
  72. 2026-06-05 22:45 UTCEPSS rescore
  73. 2026-06-05 22:45 UTCEPSS rescore
  74. 2026-06-05 06:09 UTCEPSS rescore
  75. 2026-06-05 06:09 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-47968?
CVE-2021-47968 is a medium vulnerability published on May 15, 2026. Podcast Generator 3.1 is vulnerable to persistent cross-site scripting, allowing authenticated attackers to inject malicious scripts by submitting unfiltered JavaScript code in the long_description parameter. Attackers can inject script tags through episode creation or editing requests to execute…
When was CVE-2021-47968 disclosed?
CVE-2021-47968 was first published in the National Vulnerability Database on May 15, 2026, with the most recent update on May 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-47968 actively exploited?
CVE-2021-47968 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-47968?
CVE-2021-47968 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2021-47968?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47968, 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.

Dependency Blast Radius

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