CVE-2023-30453

Medium

Published: 16 June 2023

Published

16 June 2023

Modified

12 December 2024

KEV Added

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Patch

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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Score 0.0011 28.3th percentile

Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-30453 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Teamlead Reminder. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 28.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The Teamlead Reminder plugin through 2.6.5 for Jira allows persistent XSS via the message parameter.

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

teamlead

reminder

≤ 2.6.5

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.