CVE-2020-13655

Name: CVE-2020-13655
Creator: NVD / NIST
Published: 2020-08-31T15:15:10.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2020-13655 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Collabtive 3.0 and later. managefile.php is vulnerable to XSS: when the action parameter is set to movefile and the id parameter corresponds to a project the current user has access to, the file and target parameters are reflected.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

An issue was discovered in Collabtive 3.0 and later. managefile.php is vulnerable to XSS: when the action parameter is set to movefile and the id parameter corresponds to a project the current user has access to, the file and target parameters are reflected.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.72%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
O-Dyn	Collabtive	>= 3.0

References

http://www.collabtive.o-dyn.de/blog/Release Notes, Vendor Advisory
https://sisl.lab.uic.edu/projects/chess/cross-site-scripting-in-collabtive/Exploit, Third Party Advisory
http://www.collabtive.o-dyn.de/blog/Release Notes, Vendor Advisory
https://sisl.lab.uic.edu/projects/chess/cross-site-scripting-in-collabtive/Exploit, Third Party Advisory

Timeline

Published: Aug 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13655?

How severe is CVE-2020-13655?

CVE-2020-13655 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13655?

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-2020-13655?

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

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Source: NVD / NIST