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MEDIUM · 5.4

CVE-2021-25978

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 view...

Vulnerability 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 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
ApostrophecmsApostrophecms>= 2.63.0, <= 3.3.1

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-25978?

CVE-2021-25978 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 view...

How severe is CVE-2021-25978?

CVE-2021-25978 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-25978?

Check the references section above for vendor advisories and patch information. Affected products include: Apostrophecms Apostrophecms.