CVE-2026-35055Disclosure(xenforo / xenforo)

LOWCVSS 5.1 · 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

XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

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

  • xenforo

Threat summary

  • 2 mentions across 1 observed day

What's happening

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

Affected systems

Vendors
Products
xenforo

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-01: 2Technical Details · 2026-04-01: 104-01
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-35055 XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that e… https://www.cve.org/CVERecord?id=CVE-2026-35055

    Post summary

    The post announces CVE-2026-35055, an XSS vulnerability in XenForo before versions 2.3.9 and 2.2.18, without providing exploit details, patches, or any evidence of current exploitation.

    00000115
    56.9K followersView on X
  • CVEarity@CVEarity
    Disclosure

    ⚡ New CVE Alert: CVE-2026-35055 📊 Severity: 6.1 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-35055 #CVE-2026-35055 #CVE #Medium #CyberSecurity #InfoSec https://t.co/6l432yHSvu

    Post summary

    The tweet announces a new CVE with basic severity information and a link to the NVD description, but provides no technical details, exploit code, or patch guidance.

    0000017
    123 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appxenforoxenforo---

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