CVE-2020-29247

Name: CVE-2020-29247
Creator: NVD / NIST
Published: 2020-12-24T20:15:12.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2020-29247 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Admin Panel. An attacker can inject the XSS payload in Page keywords and each time any user will visit the website, the XSS triggers, and the attacker can able to steal the cookie according to the crafted payload.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Admin Panel. An attacker can inject the XSS payload in Page keywords and each time any user will visit the website, the XSS triggers, and the attacker can able to steal the cookie according to the crafted payload.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.11%

61.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wondercms	Wondercms	3.1.3

References

http://wondercms.comProduct, Vendor Advisory
https://systemweakness.com/cve-2020-29247-wondercms-3-1-3-page-persistent-cross-site-scripting-3dd2bb210bebExploit, Third Party Advisory
https://www.exploit-db.com/exploits/49102Exploit, Third Party Advisory, VDB Entry
http://wondercms.comProduct, Vendor Advisory
https://systemweakness.com/cve-2020-29247-wondercms-3-1-3-page-persistent-cross-site-scripting-3dd2bb210bebExploit, Third Party Advisory
https://www.exploit-db.com/exploits/49102Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29247?

How severe is CVE-2020-29247?

CVE-2020-29247 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29247?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29247?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST