XSS in Pagekit
CVE-2018-11564
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.032 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/44837/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- ruffsecurity.blogspot.com/2018/05/my-first-cve-found.html (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/148001/PageKit-CMS-1.0.13-Cross-Site-Scripting.ht… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-11564?
- CVE-2018-11564 is a medium-severity vulnerability in Pagekit, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-06-02.
- How severe is CVE-2018-11564?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2018-11564 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.