CVE-2026-74793Disclosure

LOWCVSS 5.1 · MEDIUM

Exploit discussion active in current signal (3 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling stored or reflected XSS attacks.

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1.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
3 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 3 signals
Disclosure: 2 classified signals
General: 1 classified signal
3 total mentions across 1 day

Deep dive

Activity timeline3 mentions / 1d

Signal classification2 categories

Disclosure

266.7%

General

133.3%

Referenced assets3 URLs

By indicator

Full discourse3 posts

Infoflowcloud@infoflowcloud46d
Disclosure
🚨*CVE* CVE-2026-74793 justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attack… https://www.cve.org/CVERecord?id=CVE-2026-74793 ----- Traducción: CVE-2026-74793 jus… http://infoflow.cloud`
Post summary
The tweet announces CVE-2026-74793, a cross‑site scripting vulnerability in justhtml versions prior to 3.11.0, and links to the CVE record.
0000022
102 followersView on X
CVE@CVEnew46d
General
CVE-2026-74793 justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attack… https://www.cve.org/CVERecord?id=CVE-2026-74793
Post summary
The post identifies CVE‑2026‑74793, providing a concise technical description of a cross‑site scripting vulnerability in justhtml, without any PoC, exploit, or active use details.
00000904
58.0K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds46d
Disclosure
CVE-2026-74793 Cross-Site Scripting in justhtml 3.11.0 via Sanitizer Bypass https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-74793
Post summary
CVE‑2026‑74793 is a sanitizer‑bypass XSS flaw in justhtml 3.11.0, with technical details and a link to more information, but no exploit, patch, or active use reported.
00000115
4.1K followersView on X

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