CVE-2026-77643
4.4
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Xapian | xapian-core | 2.0.0 < 2.1.0 | affected |
| Xapian | xapian-core | 0 < 1.4.32 | affected |
Weaknesses
- CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
References
- https://bugs.debian.org/1144490
- https://lists.xapian.org/pipermail/xapian-devel/2026-August/003429.html
- https://trac.xapian.org/wiki/SecurityFixes/2018-07-02#a2026-08-13update
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