Bolt CMS Showcase Creation showcases cross site scripting

published 2024-07-31 2 y ago modified 2026-06-17 4 mo ago also GHSA-xhqw-4hcq-fcvr , EUVD-2024-2450

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits: 0; none known

A vulnerability classified as problematic has been found in Bolt CMS 3.7.1. Affected is an unknown function of the file /bolt/editcontent/showcases of the component Showcase Creation Handler. The manipulation of the argument title/textarea leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the affected release tree is end-of-life.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-07-31)

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

vuldb.com https://vuldb.com/?submit.380678 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA	3.0	3.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	bolt/bolt	<=3.7.1	no fix listed

Affected products

Bolt CMS
bolt bolt_cms

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

vuldb.com /?submit.380678
third-party-advisory, web, exploit, vdb-entry
vuldb.com /?id.273168
vdb-entry, technical-description, web, permissions-required
vuldb.com /?ctiid.273168
signature, permissions-required, web, vdb-entry
nvd.nist.gov /vuln/detail/CVE-2024-7300
advisory
github.com /bolt/bolt
package

Sources

CVE List CVE-2024-7300
GitHub Advisory GHSA-xhqw-4hcq-fcvr
NVD CVE-2024-7300

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary