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Vulnerability record · CVE-2023-53890 · published 15 December 2025

CVE-2023-53890: Grabaperch perch cross-site scripting vulnerability

Grabaperch · Perch

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.

5.1 CVSS 4.0 Medium EPSS 0.24% · top 86.8% CWE-79 · Cross-site scripting
5.1CVSS 4.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-53890), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.