XSS in Ujcms
CVE-2024-55451
A Stored Cross-Site Scripting (XSS) vulnerability exists in authenticated SVG file upload and viewing functionality in UJCMS 9.6.3. The vulnerability arises from insufficient sanitization of embedded attributes in uploaded SVG files. When a maliciously crafted SVG file is viewed by other backend users, it allows authenticated attackers to execute arbitrary JavaScript in the context of other backend users' browsers, potentially leading to the theft of sensitive tokens.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Ujcms — versions 9.6.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/dromara/ujcms (Product)
- github.com/cydtseng/Vulnerability-Research/blob/main/ujcms/StoredXSS-SVGUpload… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2024-55451?
- CVE-2024-55451 is a medium-severity vulnerability in Ujcms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-12-16.
- How severe is CVE-2024-55451?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2024-55451 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.