CVE-2023-47259

Redmine before 4.2.11 and 5.0.x before 5.0.6 allows XSS in the Textile formatter.

Published: 2023-11-05 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-47259 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.41%). 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.

Exploit prediction scoring system (EPSS) score for CVE-2023-47259

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 2025-11-21 0.49% 0.41% -0.07%
2 2025-11-18 0.40% 0.49% +0.09%
3 2025-04-15 0.40%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-47259

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]

Weakness enumeration for CVE-2023-47259

OS Trackers for CVE-2023-47259

vendor priority summary link
debian not yet assigned CVE-2023-47259 not yet assigned priority: Debian including 1 source packages (redmine), 3 status rows across 3 suites (bookworm, sid, trixie): resolved 3. https://security-tracker.debian.org/tracker/CVE-2023-47259
ubuntu medium CVE-2023-47259 medium priority: Ubuntu including 1 source packages (redmine), 12 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 5, ignored 3, needs-triage 3, released 1. https://ubuntu.com/security/CVE-2023-47259

Affected software / configurations for CVE-2023-47259

Vendor Product Version Raw CPE
redmine redmine < 4.2.11 cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*
redmine redmine >= 5.0.0, < 5.0.6 cpe:2.3:a:redmine:redmine:*:*:*:*:*:*:*:*

References for CVE-2023-47259

cvelogic Threat Intelligence