RCE in Maliangnansheng Bbs-Springboot
CVE-2026-90563
A vulnerability was determined in maliangnansheng bbs-springboot 3.0.0. This affects the function utils.toToc of the file ArticleController.java. This manipulation causes cross site scripting. The attack is possible to be carried out remotely.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Maliangnansheng Bbs-Springboot — versions 3.0.0
Weakness classification (CWE)
References
- github.com/maliangnansheng/bbs-springboot/ (product)
- github.com/maliangnansheng/bbs-springboot/issues/38 (issue-tracking)
- github.com/maliangnansheng/bbs-vue3-ui/pull/2 (issue-tracking, patch)
- vuldb.com/cve/CVE-2026-90563 (third-party-advisory)
- vuldb.com/submit/912549 (third-party-advisory)
- vuldb.com/vuln/403148 (technical-description, vdb-entry)
- vuldb.com/vuln/403148/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-90563?
- CVE-2026-90563 is a low-severity vulnerability in Maliangnansheng Bbs-Springboot, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-09-13.
- How severe is CVE-2026-90563?
- Low severity. CVSS v3 base score is 3.5 out of 10.