CVE-2020-28040

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 4.3Exploit: None knownExposed: 0

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

WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity43% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
64%
KEV
Not listed

Published

November 2, 2020

Last Modified

November 21, 2024

References (14)

Affected Packages

(6 across 6 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
wordpress5.0.10+dfsg1-0+deb10u1, 5.0.4+dfsg1-1, 5.0.4+dfsg1-1+deb10u1, 5.0.4+dfsg1-1+deb10u25.0.11+dfsg1-0+deb10u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
wordpress—5.5.3+dfsg1-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
wordpress—5.5.3+dfsg1-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
wordpress—5.5.3+dfsg1-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
wordpress—5.5.3+dfsg1-1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
wordpress4.7.18+dfsg-1+deb9u1 ... 4.7.5+dfsg-2+deb9u6 (10 versions)4.7.19+dfsg-1+deb9u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 26× 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 149 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2020-28040?
CVE-2020-28040 is a medium vulnerability published on November 2, 2020. WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.
When was CVE-2020-28040 disclosed?
CVE-2020-28040 was first published in the National Vulnerability Database on November 2, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-28040 actively exploited?
CVE-2020-28040 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 36.3% of all scored CVEs.
What is the CVSS score of CVE-2020-28040?
CVE-2020-28040 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2020-28040?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-28040, 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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