CVE-2026-66448

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-27. a secondary CVSS source baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.5Exploit: None knownExposed: 0

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

Contributor Cross Site Scripting (XSS) in Gallery PhotoBlocks <= 1.3.3 versions.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: 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
Severity65% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress Gallery PhotoBlocks Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/photoblocks-grid-gallery/vulnerability/wordpress-gallery-photoblocks-plugin-1-3-3-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-66448(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 / 75× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 23:53 UTCEG score recompute
  3. 2026-08-29 23:53 UTCGHSA enrichment
  4. 2026-08-28 21:42 UTCEPSS rescore
  5. 2026-08-28 03:32 UTCEG score recompute
  6. 2026-08-28 03:32 UTCGHSA enrichment
  7. 2026-08-27 02:36 UTCEG score recompute
  8. 2026-08-27 02:36 UTCGHSA enrichment
  9. 2026-08-26 14:47 UTCEPSS rescore
  10. 2026-08-26 01:37 UTCEG score recompute
  11. 2026-08-26 01:37 UTCGHSA enrichment
  12. 2026-08-25 13:49 UTCEPSS rescore
  13. 2026-08-25 00:41 UTCEG score recompute
  14. 2026-08-25 00:41 UTCGHSA enrichment
  15. 2026-08-23 23:40 UTCEG score recompute
  16. 2026-08-23 23:40 UTCGHSA enrichment
  17. 2026-08-23 00:19 UTCEPSS rescore
  18. 2026-08-22 22:45 UTCGHSA enrichment
  19. 2026-08-21 21:49 UTCEG score recompute
  20. 2026-08-21 21:49 UTCGHSA enrichment
  21. 2026-08-20 22:56 UTCEPSS rescore
  22. 2026-08-20 20:52 UTCGHSA enrichment
  23. 2026-08-19 19:57 UTCEG score recompute
  24. 2026-08-19 19:57 UTCGHSA enrichment
  25. 2026-08-19 17:04 UTCEPSS rescore
Show 64 more
  1. 2026-08-18 18:46 UTCEG score recompute
  2. 2026-08-18 18:46 UTCGHSA enrichment
  3. 2026-08-18 13:48 UTCEPSS rescore
  4. 2026-08-17 13:47 UTCEPSS rescore
  5. 2026-08-17 12:45 UTCEG score recompute
  6. 2026-08-17 12:45 UTCGHSA enrichment
  7. 2026-08-16 14:56 UTCEPSS rescore
  8. 2026-08-16 11:50 UTCEG score recompute
  9. 2026-08-16 11:50 UTCGHSA enrichment
  10. 2026-08-15 10:55 UTCEG score recompute
  11. 2026-08-15 10:55 UTCGHSA enrichment
  12. 2026-08-15 01:30 UTCEPSS rescore
  13. 2026-08-14 09:59 UTCEG score recompute
  14. 2026-08-14 09:59 UTCGHSA enrichment
  15. 2026-08-13 22:00 UTCEPSS rescore
  16. 2026-08-13 09:03 UTCEG score recompute
  17. 2026-08-13 09:03 UTCGHSA enrichment
  18. 2026-08-12 13:51 UTCEPSS rescore
  19. 2026-08-12 08:07 UTCEG score recompute
  20. 2026-08-12 08:07 UTCGHSA enrichment
  21. 2026-08-11 07:12 UTCGHSA enrichment
  22. 2026-08-10 06:17 UTCEG score recompute
  23. 2026-08-10 06:16 UTCGHSA enrichment
  24. 2026-08-09 13:47 UTCEPSS rescore
  25. 2026-08-09 05:21 UTCEG score recompute
  26. 2026-08-09 05:21 UTCGHSA enrichment
  27. 2026-08-08 16:37 UTCEPSS rescore
  28. 2026-08-08 04:26 UTCEG score recompute
  29. 2026-08-08 04:26 UTCGHSA enrichment
  30. 2026-08-07 03:30 UTCEG score recompute
  31. 2026-08-07 03:30 UTCGHSA enrichment
  32. 2026-08-06 13:47 UTCEPSS rescore
  33. 2026-08-06 02:35 UTCEG score recompute
  34. 2026-08-06 02:35 UTCGHSA enrichment
  35. 2026-08-05 19:17 UTCEPSS rescore
  36. 2026-08-05 19:17 UTCEPSS rescore
  37. 2026-08-05 01:39 UTCEG score recompute
  38. 2026-08-05 01:39 UTCGHSA enrichment
  39. 2026-08-04 15:10 UTCEPSS rescore
  40. 2026-08-04 10:39 UTCEPSS rescore
  41. 2026-08-04 00:44 UTCEG score recompute
  42. 2026-08-04 00:44 UTCGHSA enrichment
  43. 2026-08-03 10:36 UTCEPSS rescore
  44. 2026-08-02 23:48 UTCEG score recompute
  45. 2026-08-02 23:48 UTCGHSA enrichment
  46. 2026-08-02 02:27 UTCEPSS rescore
  47. 2026-08-01 22:53 UTCEG score recompute
  48. 2026-08-01 22:53 UTCGHSA enrichment
  49. 2026-08-01 04:16 UTCEPSS rescore
  50. 2026-07-31 21:57 UTCGHSA enrichment
  51. 2026-07-30 21:00 UTCEG score recompute
  52. 2026-07-30 21:00 UTCGHSA enrichment
  53. 2026-07-30 16:28 UTCEPSS rescore
  54. 2026-07-30 01:30 UTCEPSS rescore
  55. 2026-07-29 19:47 UTCGHSA enrichment
  56. 2026-07-28 18:49 UTCEG score recompute
  57. 2026-07-28 18:49 UTCGHSA enrichment
  58. 2026-07-28 15:37 UTCEPSS rescore
  59. 2026-07-27 17:48 UTCGHSA enrichment
  60. 2026-07-27 16:24 UTCEG score recompute
  61. 2026-07-27 16:24 UTCGHSA enrichment
  62. 2026-07-27 15:22 UTCEG score recompute
  63. 2026-07-27 14:26 UTCEG score recompute
  64. 2026-07-27 14:25 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-66448?
CVE-2026-66448 is a medium vulnerability published on July 27, 2026. Contributor Cross Site Scripting (XSS) in Gallery PhotoBlocks <= 1.3.3 versions.
When was CVE-2026-66448 disclosed?
CVE-2026-66448 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-66448 actively exploited?
CVE-2026-66448 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 97.4% of all scored CVEs.
What is the CVSS score of CVE-2026-66448?
CVE-2026-66448 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-66448?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-66448, 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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