CVE Catalog

CVE-2026-77643

MediumCVSS 4.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

5th percentile - higher than 5% of all known CVEs

Summary

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.

Risk Assessment

An attacker can inject malicious scripts into search results, potentially leading to user data theft or session hijacking.

Recommendation

Update Xapian to version 2.1.0 or 1.4.32 (or later) and ensure proper output encoding.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS