THREATPORT/VULNERABILITY/CVE-2018-11564
MEDIUM SEVERITY

CVE-2018-11564

Pagekit vulnerability

CVSS
4.8
EPSS
3.2%
EPSS pct
87th
Exploited
No known
Stored XSS in YOOtheme Pagekit 1.0.13 and earlier allows a user to upload malicious code via the picture upload feature. A user with elevated privileges could upload a photo to the system in an SVG format. This file will be uploaded to the system and it will not be stripped or filtered. The user can create a link on the website pointing to "/storage/poc.svg" that will point to http://localhost/pagekit/storage/poc.svg. When a user comes along to click that link, it will trigger a XSS attack.
Affected vendor
Pagekit
Affected product
Pagekit
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2018-06-02

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2018-11564

  • Confirm whether Pagekit Pagekit is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-11564.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-11564

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-11564 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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