Cross-site scripting (XSS) vulnerability in MediaWiki 1.13.0 through 1.13.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2008-5249 is rated Moderate Risk (45.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.96%). Core evidence: EPSS rose +1.52% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.44% | 1.96% | +1.52% |
| 2 | 2025-07-30 | 0.33% | 0.44% | +0.11% |
| 3 | 2025-03-30 | — | 0.33% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2008-5249 not yet assigned priority: Debian including 1 source packages (mediawiki), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2008-5249 |
ubuntu
|
medium | CVE-2008-5249 medium priority: Ubuntu including 1 source packages (mediawiki), 7 status rows across 7 suites (dapper, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 3, ignored 2, not-affected 2. | https://ubuntu.com/security/CVE-2008-5249 |