CVE-2021-25978 describes a Stored Cross-Site Scripting (XSS) vulnerability affecting Apostrophe CMS versions 2.63.0 through 3.3.1. An authenticated editor can upload a malicious SVG file containing JavaScript to the Images module, which executes when the image is viewed. This vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low privileges required, but user interaction is needed for exploitation, potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.63.0, <= 3.3.1CPE matchmatch criteria | cpe:2.3:a:apostrophecms:apostrophecms:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.