VulnSocial

CVE-2026-26000Disclosure(xwiki / xwiki)

LOWCVSS 6.1 · MEDIUM

Exploit discussion active in current signal (1 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

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.

xwiki CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Patch / fix
Other references
Weakness type (CWE)
CWE-1021

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • xwiki

Threat summary

  • Public PoC is present in monitored signal
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 2 mentions (2026-02-12); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
xwiki
Products
xwiki

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-02-12: 2Mentions · 2026-02-20: 1PoC Mentioned / Linked · 2026-02-20: 1Technical Details · 2026-02-12: 1Technical Details · 2026-02-20: 102-1202-20
Signal classification2 categories
Disclosure
266.7%
PoC
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-02-122
Disclosure2
2026-02-201
PoC1
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-26000 XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using co… https://www.cve.org/CVERecord?id=CVE-2026-26000

    Post summary

    The text announces CVE-2026-26000 affecting XWiki Platform versions prior to 17.9.0, 17.4.6, and 16.10.13, but offers no further technical or exploit details.

    00010228
    56.5K followersView on X
  • Hephaestvs@Vulcanux_
    PoC

    csirt_it: #XWiki #Platform: disponibile un #PoC per lo sfruttamento della CVE-2026-26000 Rischio:🟠 Tipologia: 🔸 URL Redirection 🔸 Tampering 🔗 https://www.acn.gov.it/portale/w/xwiki-platform-poc-pubblico-per-lo-sfruttamento-della-cve-2026-26000 🔄Aggiornamenti disponibili🔄 https://t.co/t5sEWfnXkx

    Post summary

    The tweet announces a publicly available Proof of Concept for CVE‑2026‑26000 on XWiki Platform, highlighting URL redirection and tampering as the vulnerability type.

    0000041
    605 followersView on X
  • cvereports@_cvereports
    Disclosure

    CVE-2026-26000: The Invisible Minefield: Weaponizing CSS in XWiki Comments A UI redressing vulnerability (Clickjacking) in XWiki Platform allows unauthenticated attackers to hijack user clicks via CSS injection in comments. By overlaying invisible anc... https://cvereports.com/reports/CVE-2026-26000

    Post summary

    The post announces CVE‑2026‑26000, describing a clickjacking flaw in XWiki caused by CSS injection in comments, but provides no PoC, exploit code, or mitigation information.

    0000034
    27 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appxwikixwiki---

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