CVE-2025-63695: DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.

Q: How do I fix CVE-2025-63695?

dzzoffice: upgrade to newer than 2.3.7. Exact commands for each OS are on this page.

Q: Is CVE-2025-63695 being exploited?

CVE-2025-63695 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-63695 affect?

CVE-2025-63695 affects dzzoffice. Severity is critical (CVSS 9.8). DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.

Q: How urgent is CVE-2025-63695?

Priority 53/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-63695 is a critical-severity flaw (CVSS 9.8) affecting dzzoffice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-434
Published	2025-11-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dzzoffice

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-11-18 18:16 UTCPublished CVE record published
2026-06-17 09:53 UTCUpdated Record last modified

dzzoffice dzzoffice UPGRADE

Affected: <= 2.3.7

Fixed in: newer than 2.3.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dzzoffice || rpm -q dzzoffice || dzzoffice --version

2. UPGRADE to newer than 2.3.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dzzoffice

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dzzoffice

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-63695?

dzzoffice: upgrade to newer than 2.3.7. Exact commands for each OS are on this page.

Is CVE-2025-63695 being exploited?

CVE-2025-63695 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-63695 affect?

CVE-2025-63695 affects dzzoffice. Severity is critical (CVSS 9.8). DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.

How urgent is CVE-2025-63695?

Priority 53/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-63694 CRITICAL 9.8 UPGRADE DzzOffice v2.3.7 and before is vulnerable to SQL Injection in explorer/groupmanage.
CVE-2025-63693 MEDIUM 5.4 UPGRADE The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security e
CVE-2024-41376 HIGH 8.8 DOWNGRADE dzzoffice 2.02.1 is vulnerable to Directory Traversal via user/space/about.php.
CVE-2024-29273 MEDIUM 6.1 DOWNGRADE There is Stored Cross-Site Scripting (XSS) in dzzoffice 2.02.1 SC UTF8 in uploadfile to index.php, with the XS

References

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