CVE-2018-19933

Exp

Bolt CMS <3.6.2 allows XSS via text input click preview button as demonstrated by the Title field of a Configured and New Entry.

Published: 2018-12-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-19933 is rated High Exploit Risk (71.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.47%). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.22% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-19933

EDB-ID Source Kind Published Link
46014 exploit_db edb 2018-12-19 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-19933

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 2.24% 3.47% +1.22%
2 2026-01-04 2.57% 2.24% -0.32%
3 2025-11-21 — 2.57% —

Full EPSS history (21 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-19933

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.0 MEDIUM
CVSS:3.0/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]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2018-19933

GitHub Security Advisory for CVE-2018-19933

GHSA-gjx6-58xh-p7pw · Severity: medium · Ecosystem: composer — Bolt Cross-site Scripting (XSS) via text input click preview button

Affected software / configurations for CVE-2018-19933

Vendor Product Version Raw CPE
bolt bolt_cms < 3.6.2 cpe:2.3:a:bolt:bolt_cms:*:*:*:*:*:*:*:*

References for CVE-2018-19933

cvelogic Threat Intelligence