CVE-2025-30349

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2025-03-21. NVD baseline CVSS 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 30%CVSS: 7.2Exploit: Elevated riskExposed: 0

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

Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
63(Attend)
EG Risk 63/100SSVC: Attend

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
Severity72% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
30%
EPSS %ILE
98%
KEV
Not listed

Published

March 21, 2025

Last Modified

April 15, 2026

References (14)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 38× 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 128 total refreshes for this CVE.

  1. 2026-08-07 16:26 UTCEPSS rescore
  2. 2026-08-06 13:46 UTCEPSS rescore
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  15. 2026-07-23 02:53 UTCEG score recompute
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  1. 2026-07-15 16:57 UTCEPSS rescore
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  12. 2026-07-10 16:41 UTCOSV refresh
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  45. 2026-06-13 23:00 UTCEPSS rescore
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  47. 2026-06-12 23:11 UTCEPSS rescore
  48. 2026-06-11 13:59 UTCEPSS rescore
  49. 2026-06-10 22:18 UTCEPSS rescore
  50. 2026-06-10 13:22 UTCEPSS rescore
  51. 2026-06-07 15:24 UTCEPSS rescore
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  53. 2026-06-06 13:47 UTCEPSS rescore
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  59. 2026-06-04 13:12 UTCEPSS rescore
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  61. 2026-06-03 15:39 UTCOSV refresh
  62. 2026-06-02 20:12 UTCEPSS rescore
  63. 2026-06-01 13:51 UTCEPSS rescore
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  65. 2026-05-31 22:30 UTCEPSS rescore
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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 PoCnatasaka/CVE-2025-30349
    First seen Mar 27, 2025

    Horde IMP (through 6.2.27) vulnerability – obfuscation via HTML encoding – XSS payload

    Open source ↗

Frequently asked(5)

What is CVE-2025-30349?
CVE-2025-30349 is a high vulnerability published on March 21, 2025. Horde IMP through 6.2.27, as used with Horde Application Framework through 5.2.23, allows XSS that leads to account takeover via a crafted text/html e-mail message with an onerror attribute (that may use base64-encoded JavaScript code), as exploited in the wild in March 2025.
When was CVE-2025-30349 disclosed?
CVE-2025-30349 was first published in the National Vulnerability Database on March 21, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-30349 actively exploited?
CVE-2025-30349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30% probability of exploitation in the next 30 days, which ranks it in the top 2.0% of all scored CVEs.
What is the CVSS score of CVE-2025-30349?
CVE-2025-30349 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2025-30349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-30349, 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

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