CVE-2021-3318 json
attach/ajax.php in DzzOffice through 2.02.1 allows XSS via the editorid parameter.
published 2021-01-27 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26649
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 1
- Exploit-DB
Summary
attach/ajax.php in DzzOffice through 2.02.1 allows XSS via the editorid parameter.
Timeline
- Published
- First public exploit (EDB-49799)
Exploit prediction
2.88% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-49799 DzzOffice 2.02.1 - 'Multiple' Cross-Site Scripting (XSS) webapps, 2021-04-23
- packetstormsecurity.com http://packetstormsecurity.com/files/162314/DzzOffice-2.02.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/162314/DzzOffice-2.02.1-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
-
github.com
/zyx0814/dzzoffice/issues/173
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2021-3318
- NVD CVE-2021-3318
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.