Cross-site Scripting (XSS) Affecting xapian-core package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-ECHOLATEST-XAPIANCORE-19166230
  • published22 Aug 2026
  • disclosed20 Aug 2026

Introduced: 20 Aug 2026

NewCVE-2026-77643  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest xapian-core.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xapian-core package and not the xapian-core package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 2.1.0 and before 1.4.32 exists due to incomplete HTML escaping by Xapian::MSet::snippet(). NOTE: this issue exists because of a missed corner case of CVE-2018-0499.

CVSS Base Scores

version 3.1