CVE-2024-39123

MEDIUMNVD 5.45.4—
EchelonGraph scoreMEDIUM confidence

Score 5.4 from GitHub Security Advisory published 2024-07-19. NVD baseline CVSS 5.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
5.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 23%CVSS: 5.4Exploit: Elevated riskExposed services: Not assessed

A fixed version is listed under Patch Availability — apply it.

In janeczku Calibre-Web 0.6.0 to 0.6.21, the edit_book_comments function is vulnerable to Cross Site Scripting (XSS) due to improper sanitization performed by the clean_string function. The vulnerability arises from the way the clean_string function handles HTML sanitization.

CVSS v3
5.4
EG Score
5.4MEDIUMmedium confidence
EG Risk
40
EG Risk 40/100CISA 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
Severity54% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fixed version is listed under Patch Availability. Apply it within your standard update timelines.
EPSS PROB
23%
EPSS %ILE
97th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fixed version is listed under Patch Availability. Apply it within your standard update timelines.

Exploitation public PoC (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

July 19, 2024

Last Modified

July 9, 2025

References (2)

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
pipcalibreweb—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
calibreweb0.6.12 ... 0.6.21 (10 versions)
  • 0.6.0 through 0.6.21: no fix on record
—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 28× 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 172 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCtheexploiters/CVE-2024-39123-Exploit
    First seen Jan 10, 2025

    Exploit For: CVE-2024-39123: Stored XSS in Calibre-web 0.6.21

    Open source ↗

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2024-39123?
CVE-2024-39123 is a medium vulnerability published on July 19, 2024. In janeczku Calibre-Web 0.6.0 to 0.6.21, the editbookcomments function is vulnerable to Cross Site Scripting (XSS) due to improper sanitization performed by the cleanstring function. The vulnerability arises from the way the cleanstring function handles HTML sanitization.
When was CVE-2024-39123 disclosed?
CVE-2024-39123 was first published on July 19, 2024, with the most recent update on July 9, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-39123 actively exploited?
CVE-2024-39123 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23% probability of exploitation in the next 30 days (97th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-39123?
CVE-2024-39123 has a CVSS v3 base score of 5.4 (NVD).
How do I remediate CVE-2024-39123?
A fixed version for CVE-2024-39123 is listed under Patch Availability on this page: update to the version listed for your package.

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