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: ghsa, nvd
Elevated
5.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 23%CVSS: 5.4Exploit: NoneExposed: 0

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

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
5.4(medium)
EPSS
97.5%
KEV
Not listed

Published

July 19, 2024

Last Modified

July 9, 2025

References (2)

Patch Availability(1)

Vendor / EcosystemFixed in / 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 rangeFixed inDependents
calibreweb0.6.12 ... 0.6.21 (10 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 39× 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. 2026-07-11 08:26 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-09 19:09 UTCEPSS rescore
  4. 2026-07-08 15:14 UTCEPSS rescore
  5. 2026-07-08 15:13 UTCEPSS rescore
  6. 2026-07-07 13:45 UTCEPSS rescore
  7. 2026-07-06 16:26 UTCEPSS rescore
  8. 2026-07-06 02:22 UTCEPSS rescore
  9. 2026-07-06 02:22 UTCEPSS rescore
  10. 2026-07-05 02:29 UTCEPSS rescore
  11. 2026-07-04 06:30 UTCEPSS rescore
  12. 2026-07-01 15:05 UTCEPSS rescore
  13. 2026-06-30 23:21 UTCEPSS rescore
  14. 2026-06-30 23:21 UTCEPSS rescore
  15. 2026-06-29 14:05 UTCEPSS rescore
  16. 2026-06-28 14:06 UTCEPSS rescore
  17. 2026-06-28 14:06 UTCEPSS rescore
  18. 2026-06-28 04:55 UTCEPSS rescore
  19. 2026-06-28 04:55 UTCEPSS rescore
  20. 2026-06-27 03:07 UTCEPSS rescore
  21. 2026-06-27 03:07 UTCEPSS rescore
  22. 2026-06-25 13:49 UTCEPSS rescore
  23. 2026-06-25 11:31 UTCOSV refresh
  24. 2026-06-24 14:04 UTCEPSS rescore
  25. 2026-06-24 14:04 UTCEPSS rescore
Show 49 more
  1. 2026-06-23 21:32 UTCEPSS rescore
  2. 2026-06-23 21:32 UTCEPSS rescore
  3. 2026-06-22 14:25 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-21 01:58 UTCEPSS rescore
  6. 2026-06-21 01:58 UTCEPSS rescore
  7. 2026-06-18 17:52 UTCEPSS rescore
  8. 2026-06-18 17:51 UTCEPSS rescore
  9. 2026-06-17 17:52 UTCEPSS rescore
  10. 2026-06-16 17:52 UTCEPSS rescore
  11. 2026-06-16 17:52 UTCEPSS rescore
  12. 2026-06-15 17:47 UTCEPSS rescore
  13. 2026-06-14 23:16 UTCEPSS rescore
  14. 2026-06-12 23:11 UTCEPSS rescore
  15. 2026-06-11 13:59 UTCEPSS rescore
  16. 2026-06-10 22:17 UTCEPSS rescore
  17. 2026-06-10 13:21 UTCEPSS rescore
  18. 2026-06-08 02:58 UTCOSV refresh
  19. 2026-06-07 15:24 UTCEPSS rescore
  20. 2026-06-07 15:24 UTCEPSS rescore
  21. 2026-06-06 13:46 UTCEPSS rescore
  22. 2026-06-06 13:46 UTCEPSS rescore
  23. 2026-06-05 22:46 UTCEPSS rescore
  24. 2026-06-05 22:46 UTCEPSS rescore
  25. 2026-06-05 06:09 UTCEPSS rescore
  26. 2026-06-05 06:09 UTCEPSS rescore
  27. 2026-06-04 13:11 UTCEPSS rescore
  28. 2026-06-04 13:11 UTCEPSS rescore
  29. 2026-06-02 20:12 UTCEPSS rescore
  30. 2026-06-01 13:51 UTCEPSS rescore
  31. 2026-06-01 13:51 UTCEPSS rescore
  32. 2026-05-31 22:30 UTCEPSS rescore
  33. 2026-05-31 22:30 UTCEPSS rescore
  34. 2026-05-31 00:15 UTCEPSS rescore
  35. 2026-05-31 00:15 UTCEPSS rescore
  36. 2026-05-29 13:43 UTCEPSS rescore
  37. 2026-05-28 13:44 UTCEPSS rescore
  38. 2026-05-28 13:44 UTCEPSS rescore
  39. 2026-05-28 13:44 UTCEPSS rescore
  40. 2026-05-27 13:40 UTCEPSS rescore
  41. 2026-05-27 13:40 UTCEPSS rescore
  42. 2026-05-27 13:40 UTCEPSS rescore
  43. 2026-05-26 13:43 UTCEPSS rescore
  44. 2026-05-26 13:43 UTCEPSS rescore
  45. 2026-05-26 07:18 UTCEPSS rescore
  46. 2026-05-26 07:18 UTCEPSS rescore
  47. 2026-05-26 07:18 UTCEPSS rescore
  48. 2026-05-23 14:25 UTCEG score recompute
  49. 2026-05-23 14:25 UTCGHSA enrichment

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 in the National Vulnerability Database 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 97.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-39123, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-39123

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