VulnSocial

CVE-2026-53962Disclosure(discourse / discourse)

LOWCVSS 5.4 · MEDIUM

Signal is active with 2 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

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling could lead to cross-site scripting when a user visited specific URLs that are not normally part of community browsing. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

discourse CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • discourse

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
discourse
Products
discourse

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-10: 2Technical Details · 2026-07-10: 207-10
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-53962 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling… https://www.cve.org/CVERecord?id=CVE-2026-53962 ----- Traducción: CVE-2026-53962 Dis… http://infoflow.cloud`

    Post summary

    The tweet announces CVE‑2026‑53962, noting insufficient SVG sanitization in Discourse up to specified versions, but provides no exploit proof, active use, or patch details.

    0000051
    91 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-53962 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling… https://www.cve.org/CVERecord?id=CVE-2026-53962

    Post summary

    CVE-2026-53962 exposes insufficient SVG sanitization in Discourse's upload and avatar handling, detailed in the CVE record but lacking any PoC or active exploitation information.

    00000419
    57.8K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appdiscoursediscourse---
Appdiscoursediscourse2026.6.0--

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