CVE-2023-42345

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 95% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: None knownExposed: 0

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

A Cross Site Scripting vulnerability in Alkacon OpenCms before 16 exists via updateModelGroups.jsp.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

May 8, 2026

Last Modified

May 8, 2026

Advisory Details (1)

Auto-updated Jun 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

XXE, You Can Depend On Me (OpenCMS CVE-2023-42344 and Friends)

https://labs.watchtowr.com/xxe-you-can-depend-on-me-opencms/

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.opencms:opencms-core10.0.0 ... 9.5.3 (29 versions)16.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 30× 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 195 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2023-42345?
CVE-2023-42345 is a medium vulnerability published on May 8, 2026. A Cross Site Scripting vulnerability in Alkacon OpenCms before 16 exists via updateModelGroups.jsp.
When was CVE-2023-42345 disclosed?
CVE-2023-42345 was first published in the National Vulnerability Database on May 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-42345 actively exploited?
CVE-2023-42345 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 95.6% of all scored CVEs.
What is the CVSS score of CVE-2023-42345?
CVE-2023-42345 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2023-42345?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42345, 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-2023-42345

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