Infopop Ultimate Bulletin Board up to v5.47a was discovered to allow all messages posted inside private forums to be disclosed by unauthenticated users via the quote reply feature.
Conclusion & alert: CVE-2022-25091 is rated Low Risk (37.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.64%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 0.36% | 0.64% | +0.29% |
| 2 | 2026-05-21 | 0.50% | 0.36% | -0.14% |
| 3 | 2026-04-28 | — | 0.50% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| infopop | ultimate_bulletin_board | <= 5.47a | cpe:2.3:a:infopop:ultimate_bulletin_board:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.infopop.com/support/ubbclassic/version5.html | Broken Link |
| https://marc.info/?l=vuln-dev&m=97486849231786&w=2 | Mailing List |
| https://vulners.com/securityvulns/SECURITYVULNS:DOC:954 | Mailing List |
| https://web.archive.org/web/20030207100935/ | Not Applicable |
| https://web.archive.org/web/20030207100935/http://www.infopop.com/support/ubbclassic/version5.html | Release Notes |