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
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: Elevated riskExposed: 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)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity64% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
9%
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 6× in last 7d / 54× 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 232 total refreshes for this CVE.

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

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 0% probability of exploitation in the next 30 days, which ranks it in the top 91.0% of all scored CVEs.
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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