CVE-2023-2848

HIGHNVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2023-09-14. NVD baseline CVSS 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 8.0Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Movim prior to version 0.22 is affected by a Cross-Site WebSocket Hijacking vulnerability. This was the result of a missing header validation.

CVSS v3
8.0
EG Score
8.0HIGHmedium confidence
EG Risk
36
EG Risk 36/100CISA 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
Severity80% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.4%
EPSS %ILE
28th
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (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

September 14, 2023

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Sep 21, 2026
Patch available. Sources: github_commit.
generic

Movim • Movim 0.22 - Kowal

https://mov.im/node/pubsub.movim.eu/Movim/a2d05925-0427-4f3f-b777-d20571ddddff
github_commit Patch Available

commit 96372082acd3 (movim/movim)

Patch available: movim/movim v0.22 (contains commit 96372082acd3)

https://github.com/movim/movim/commit/96372082acd3e5d778a2522a60a1805bf2af31f6
github_commit Patch Available

commit 49e2012aecdf (movim/movim)

Patch available: movim/movim v0.22 (contains commit 49e2012aecdf)

https://github.com/movim/movim/commit/49e2012aecdf918bb1d16f278fa9ff42fad29a9d

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× 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 185 total refreshes for this CVE.

  1. 2026-10-09 22:55 UTCOSV refresh
  2. 2026-10-09 20:05 UTCEPSS rescore
  3. 2026-10-08 17:06 UTCEPSS rescore
  4. 2026-10-07 23:45 UTCEPSS rescore
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  11. 2026-09-30 16:20 UTCEG score recompute
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  21. 2026-09-20 06:43 UTCOSV refresh
  22. 2026-09-16 14:05 UTCEPSS rescore
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  24. 2026-09-12 14:58 UTCEPSS rescore
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  1. 2026-09-11 09:34 UTCEPSS rescore
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  9. 2026-09-01 13:51 UTCEPSS rescore
  10. 2026-09-01 09:59 UTCOSV refresh
  11. 2026-08-30 19:15 UTCEPSS rescore
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  24. 2026-08-16 14:53 UTCEPSS rescore
  25. 2026-08-16 02:12 UTCEPSS rescore
  26. 2026-08-15 09:37 UTCOSV refresh
  27. 2026-08-15 01:28 UTCEPSS rescore
  28. 2026-08-13 21:58 UTCEPSS rescore
  29. 2026-08-12 13:48 UTCEPSS rescore
  30. 2026-08-11 13:39 UTCEPSS rescore
  31. 2026-08-09 13:44 UTCEPSS rescore
  32. 2026-08-07 16:24 UTCEPSS rescore
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  43. 2026-07-30 21:21 UTCOSV refresh
  44. 2026-07-30 16:26 UTCEPSS rescore
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  48. 2026-07-28 15:34 UTCEPSS rescore
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  50. 2026-07-27 14:10 UTCEPSS rescore
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  53. 2026-07-25 14:16 UTCEPSS rescore
  54. 2026-07-24 14:15 UTCEPSS rescore
  55. 2026-07-23 14:16 UTCEPSS rescore
  56. 2026-07-23 14:16 UTCEPSS rescore
  57. 2026-07-23 02:20 UTCEG score recompute
  58. 2026-07-22 23:08 UTCEG score recompute
  59. 2026-07-22 14:06 UTCEPSS rescore
  60. 2026-07-22 14:06 UTCEPSS rescore
  61. 2026-07-21 15:23 UTCEPSS rescore
  62. 2026-07-20 17:06 UTCEPSS rescore
  63. 2026-07-19 02:27 UTCEPSS rescore
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  65. 2026-07-18 10:03 UTCEPSS rescore
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  67. 2026-07-16 17:01 UTCEPSS rescore
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  73. 2026-07-13 22:28 UTCEPSS rescore
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  75. 2026-07-13 06:11 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-2848?
CVE-2023-2848 is a high vulnerability published on September 14, 2023. Movim prior to version 0.22 is affected by a Cross-Site WebSocket Hijacking vulnerability. This was the result of a missing header validation.
When was CVE-2023-2848 disclosed?
CVE-2023-2848 was first published on September 14, 2023, 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-2023-2848 actively exploited?
CVE-2023-2848 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (28th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2023-2848?
CVE-2023-2848 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2023-2848?
A fix for CVE-2023-2848 is available: update to the fixed version the vendor names in its advisory.

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