The message_options function in includes/ucp/ucp_pm_options.php in phpBB before 3.0.13 does not properly validate the form key, which allows remote attackers to conduct CSRF attacks and change the full folder setting via unspecified vectors.
Conclusion & alert: CVE-2015-1432 is rated Moderate Risk (49.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.11%). 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 | 0.51% | 1.11% | +0.61% |
| 2 | 2025-04-17 | 0.43% | 0.51% | +0.07% |
| 3 | 2025-03-17 | — | 0.43% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2015-1432: 1 GLSA(s) (201701-25), 1 atom(s) (www-apps/phpBB); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-1432 |
ubuntu
|
medium | CVE-2015-1432 medium priority: Ubuntu including 1 source packages (phpbb3), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): DNE 6, ignored 3, not-affected 3, released 2. | https://ubuntu.com/security/CVE-2015-1432 |