CVE-2022-45134

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2025-08-22. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

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

Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes user input unsafely during skin import. A particularly structured XML file could cause code execution when being processed.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
45.9%
KEV
Not listed

Published

August 22, 2025

Last Modified

September 8, 2025

Advisory Details (2)

Auto-updated Jun 9, 2026
No patch confirmed yet.
generic

Security announcements - Information disclosure in Mahara before 23.04.4 and 22.10.4 - Mahara ePortfolio System

https://mahara.org/interaction/forum/topic.php?id=9353
generic

Bug #1993082 “Unsafe deserialization of input in skin import” : Series 22.04 : Bugs : Mahara

https://bugs.launchpad.net/mahara/+bug/1993082

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 41× 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. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:15 UTCEG score recompute
  3. 2026-07-22 23:02 UTCEG score recompute
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  38. 2026-06-10 22:17 UTCEPSS rescore
  39. 2026-06-10 13:21 UTCEPSS rescore
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  41. 2026-06-08 14:15 UTCEPSS rescore
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  44. 2026-06-06 13:46 UTCEPSS rescore
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  58. 2026-05-31 00:15 UTCEPSS rescore
  59. 2026-05-31 00:15 UTCEPSS rescore
  60. 2026-05-29 23:58 UTCEG score recompute
  61. 2026-05-29 23:58 UTCGHSA enrichment
  62. 2026-05-29 13:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-45134?
CVE-2022-45134 is a critical vulnerability published on August 22, 2025. Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes user input unsafely during skin import. A particularly structured XML file could cause code execution when being processed.
When was CVE-2022-45134 disclosed?
CVE-2022-45134 was first published in the National Vulnerability Database on August 22, 2025, with the most recent update on September 8, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-45134 actively exploited?
CVE-2022-45134 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-45134?
CVE-2022-45134 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-45134?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-45134, 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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