CVE-2026-14287

MEDIUMPre-NVD 4.74.7—
EchelonGraph scoreMEDIUM confidence

Score 4.7 from GitHub Security Advisory published 2026-08-19. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.7Exploit: None knownExposed services: Not assessed

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

The 10Web Booster WordPress plugin before 2.33.5 does not correctly validate an access token on an unauthenticated request handler and does not escape attacker-supplied stylesheet content before rendering it into the page head, allowing an unauthenticated attacker to store markup that executes as JavaScript in the browser of anonymous visitors to an affected page.

CVSS v3
4.7
EG Score
4.7MEDIUMmedium confidence
EG Risk
21
EG Risk 21/100CISA SSVC

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
Severity47% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.2%
EPSS %ILE
11th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 19, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

TenWeb Speed Optimizer < 2.33.5 – Unauthenticated Stored XSS via Critical CSS Token Bypass | CVE 2026-14287 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/a0519e86-b77e-4354-a91d-ff729514d570/

Vendor Advisories for CVE-2026-14287(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 16× in last 7d / 72× 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 119 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-14287?
CVE-2026-14287 is a medium vulnerability published on August 19, 2026. The 10Web Booster WordPress plugin before 2.33.5 does not correctly validate an access token on an unauthenticated request handler and does not escape attacker-supplied stylesheet content before rendering it into the page head, allowing an unauthenticated attacker to store markup that executes as…
When was CVE-2026-14287 disclosed?
CVE-2026-14287 was first published on August 19, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14287 actively exploited?
CVE-2026-14287 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (11th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-14287?
CVE-2026-14287 has a CVSS v3.1 base score of 4.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-14287?
No fix for CVE-2026-14287 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-14287 are linked in the Vendor Advisories panel on this page.

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