VulnSocial

CVE-2026-75828Disclosure

LOWCVSS 9.3 · CRITICAL

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

Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss() function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers when page content is rendered.

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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
00111Mentions · 2026-09-18: 1Technical Details · 2026-09-18: 109-18
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🔴 Grav CMS, Stored XSS via Unpaired Quote Bypass in detectXss(), #CVE-2026-75828 (High) -DC-Sep2026-2466 https://dailycve.com/grav-cms-stored-xss-via-unpaired-quote-bypass-in-detectxss-cve-2026-75828-high-dc-sep2026-2466/

    Post summary

    The post is a straight vulnerability disclosure for a Stored XSS flaw in Grav CMS, including the affected function, bypass mechanism, CVE ID, and High severity. It contains no PoC, exploit tool, active-exploitation claim, or patch information.

    0000046
    237 followersView on X

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