CVEvulnerability
CVE-2021-25978
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-11-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• apostrophecms apostrophecms (>= 2.63.0 <= 3.3.1)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59 Patch, Third Party Advisory
- https://github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59 Patch, Third Party Advisory