VulnerabilityAnalyzed

CVE-2023-53890

Perch CMS 3.2 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript.

MEDIUM 5.1EPSS 0.24%

Does this matter?

Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own.

Description

Perch CMS 3.2 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can craft SVG files with script tags that execute when the file is viewed, potentially stealing user session information or performing client-side attacks.

CVSS 4.0: 5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.24% probability · 15th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: grabaperch/perch
Source: disclosure@vulncheck.com

References

https://grabaperch.com/Product
https://www.exploit-db.com/exploits/51621Exploit
https://www.vulncheck.com/advisories/perch-cms-stored-cross-site-scripting-via-svg-file-uploadThird Party Advisory
https://www.exploit-db.com/exploits/51621Exploit

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.