CVE-2026-77643Disclosure

LOWCVSS 4.4 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-77643

Full discourse1 post

Vulmon Vulnerability Feed@VulmonFeeds46d
Disclosure
CVE-2026-77643 Cross-Site Scripting in Xapian xapian-core Before 2.1.0 and 1.4.32 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-77643
Post summary
The text provides a straightforward disclosure of a CVE-2026-77643 XSS vulnerability in Xapian, but offers no PoC, exploit tool, or mitigation guide.
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