Moderate severityNVD Advisory· Published Nov 7, 2021· Updated Apr 30, 2025
Apostrophe - XSS
CVE-2021-25978
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
apostrophenpm | >= 2.63.0, < 3.4.0 | 3.4.0 |
Affected products
2- Range: unspecified
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-4r9c-jghc-cx5mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-25978ghsaADVISORY
- github.com/apostrophecms/apostrophe/commit/c8b94ee9c79468f1ce28e31966cb0e0839165e59ghsax_refsource_MISCWEB
News mentions
0No linked articles in our index yet.