CVE-2019-15484

Bolt Cross-site Scripting (XSS) via an image's alt or title field

6.1 MediumFix available

CVE-2019-15484 is a medium vulnerability (CVSS 6.1) in Boltcms Bolt, published August 23, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 59th percentile. Fixed in bolt/bolt 3.6.10.

What does this mean?

Severity: 6.1 MediumCVSS 3.0, NVD
Exploit chance: 0.86%EPSS, 59th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 3.6.10bolt/bolt +2 more

Description

Bolt before 3.6.10 has XSS via an image's alt or title field.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.86%Up 0.2 points since Apr 14, 2021

Affected products

boltcms bolt

Affected packages

Affected packages
Package	Affected	Fixed
`bolt/bolt` Packagist	before 3.6.10	3.6.10
`bolt` Azure Linux:3	through 0.9.8-1	None known
`bolt/bolt` Packagist	before 3.6.10, plus listed versions 3.5.7v0.8.4v0.8.5v0.9.10v0.9.5 Show 45 moreShow less v1.0.0v1.0.5v1.1.2v1.1.4v1.2.1v1.3.0v1.4.0v1.4.3v1.5.1v1.5.6v1.6.0v1.6.2v1.6.3v1.6.3.1v1.6.9v2.0.0v2.0.1v2.0.2v2.0.3v2.0.4v2.0.5v2.0.6v2.1.0v2.1.1v2.1.1-pl1v2.1.2v2.1.3v2.1.3-pl1v2.1.4v2.1.4-pl1v2.1.5v2.1.6v2.1.7v2.1.8v2.1.8-pl1v2.1.9v2.2.0v2.2.1v2.2.10v2.2.11v2.2.13v2.2.14v2.2.15v2.2.16v2.2.17	3.6.10

What each source reports

NVD Score used6.1

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: CVE-2019-15484
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE ListNo score

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: CVE-2019-15484
Updated: 2026-11-02

EUVDEUVD-2022-3815No score

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: EUVD-2022-3815
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fp8m-xw3f-6h7x6.1

Bolt Cross-site Scripting (XSS) via an image's alt or title field

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: GHSA-fp8m-xw3f-6h7x
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVAZL-1128866.1

CVE-2019-15484 affecting package bolt 0.9.8-1

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: AZL-112886
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-10

OSV6.1

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: CVE-2019-15484
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVGHSA-fp8m-xw3f-6h7x6.1

Bolt Cross-site Scripting (XSS) via an image's alt or title field

Bolt before 3.6.10 has XSS via an image's alt or title field.

Record: GHSA-fp8m-xw3f-6h7x
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

History

History
Recorded	Changed	Sources
Nov 10, 2026	affected, aliases, facts, references	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

This page doesn't list everything

Left out here: 101 versions. The JSON record has them.