Is CVE-2021-25978 actively exploited?

CVE-2021-25978 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-25978?

CVE-2021-25978 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2021-25978?

Patch guidance is available from apostrophecms security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-25978.

Which products are affected by CVE-2021-25978?

1 product: apostrophecms apostrophecms.

CVE-2021-25978 - remediation guidance & executive summary

Description

Apostrophe CMS versions between 2.63.0 to 3.3.1 are vulnerable to Stored XSS where an editor uploads an SVG file that contains malicious JavaScript onto the Images module, which triggers XSS once viewed.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: APOSTROPHECMS
Published: 11/7/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-25978

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary