CVE-2021-47967

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-05-15. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

PHP Timeclock 1.04 contains multiple cross-site scripting vulnerabilities that allow unauthenticated attackers to inject arbitrary JavaScript by manipulating URL paths and POST parameters. Attackers can append malicious payloads to login.php, timeclock.php, audit.php, and timerpt.php endpoints, or inject code through from_date and to_date parameters in report requests to execute scripts in user browsers.

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
11.3%
KEV
Not listed

Published

May 15, 2026

Last Modified

May 24, 2026

Advisory Details (4)

Auto-updated Jun 15, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

PHP Timeclock 1.04 Multiple Cross-Site Scripting via Parameters | Advisories | VulnCheck

https://www.vulncheck.com/advisories/php-timeclock-multiple-cross-site-scripting-via-parameters
generic

PHP Timeclock - Browse /PHP Timeclock/PHP Timeclock 1.04 at SourceForge.net

https://sourceforge.net/projects/timeclock/files/PHP%20Timeclock/PHP%20Timeclock%201.04/
generic

PHP Timeclock

http://timeclock.sourceforge.net
generic🟡 PoC Available

PHP Timeclock 1.04 - 'Multiple' Cross Site Scripting (XSS) - PHP webapps Exploit

https://www.exploit-db.com/exploits/49853

Vendor Advisories for CVE-2021-47967(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 / 56× 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 160 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-47967?
CVE-2021-47967 is a medium vulnerability published on May 15, 2026. PHP Timeclock 1.04 contains multiple cross-site scripting vulnerabilities that allow unauthenticated attackers to inject arbitrary JavaScript by manipulating URL paths and POST parameters. Attackers can append malicious payloads to login.php, timeclock.php, audit.php, and timerpt.php endpoints, or…
When was CVE-2021-47967 disclosed?
CVE-2021-47967 was first published in the National Vulnerability Database on May 15, 2026, with the most recent update on May 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-47967 actively exploited?
CVE-2021-47967 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-47967?
CVE-2021-47967 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2021-47967?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47967, 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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