CVE-2026-57755

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2026-07-02. 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 Mosaic Gallery – Advanced Gallery <= 1.2.0 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
13%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
Patch available.
generic Patch Available

Cross Site Scripting (XSS) in WordPress Mosaic Gallery &#8211; Advanced Gallery Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/mosaic-gallery-advanced-gallery/vulnerability/wordpress-mosaic-gallery-8211-advanced-gallery-plugin-1-2-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57755(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 7× 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 156 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-57755?
CVE-2026-57755 is a medium vulnerability published on July 2, 2026. Contributor Cross Site Scripting (XSS) in Mosaic Gallery &#8211; Advanced Gallery <= 1.2.0 versions.
When was CVE-2026-57755 disclosed?
CVE-2026-57755 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57755 actively exploited?
CVE-2026-57755 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 87.0% of all scored CVEs.
What is the CVSS score of CVE-2026-57755?
CVE-2026-57755 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2026-57755?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57755, 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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