CVE-2021-3298
Collabtive 3.1 allows XSS when an authenticated user enters an XSS payload into the address section of the profile edit page, aka the manageuser.php?action=edit address1 parameter.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 2.2%. Treat it as high on anything reachable from the internet.
Description
Collabtive 3.1 allows XSS when an authenticated user enters an XSS payload into the address section of the profile edit page, aka the manageuser.php?action=edit address1 parameter.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.17% probability · 82th percentile
- Public exploits
- 1 in Exploit-DB · first 25 January 2021
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- o-dyn/collabtive
- Source
- cve@mitre.org
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://collabtive.o-dyn.de/forum/viewforum.php?f=6Vendor Advisory
- https://www.exploit-db.com/exploits/49468Exploit, Third Party Advisory, VDB Entry
- https://collabtive.o-dyn.de/forum/viewforum.php?f=6Vendor Advisory
- https://www.exploit-db.com/exploits/49468Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.