CVE-2025-63693: The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security e

Q: How do I fix CVE-2025-63693?

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

Q: Is CVE-2025-63693 being exploited?

CVE-2025-63693 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-2025-63693 affect?

CVE-2025-63693 affects dzzoffice. Severity is medium (CVSS 5.4). The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security escaping for user-controllable data in multiple contexts, including HTML and JavaScript strings. This allows low-privilege attacker

Q: How urgent is CVE-2025-63693?

Priority 26/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2025-63693 is a medium-severity flaw (CVSS 5.4) affecting dzzoffice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security escaping for user-controllable data in multiple contexts, including HTML and JavaScript strings. This allows low-privilege attackers to construct comment content or request parameters and execute arbitrary JavaScript code when the victim opens the editing pop-up.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-94
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 19:15 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-2025-63693?

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

Is CVE-2025-63693 being exploited?

CVE-2025-63693 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-2025-63693 affect?

CVE-2025-63693 affects dzzoffice. Severity is medium (CVSS 5.4). The comment editing template (dzz/comment/template/edit_form.htm) in DzzOffice 2.3.x lacks adequate security escaping for user-controllable data in multiple contexts, including HTML and JavaScript strings. This allows low-privilege attacker

How urgent is CVE-2025-63693?

Priority 26/100. Public exploit reference

Related CVEs

CVE-2025-63695 CRITICAL 9.8 UPGRADE DzzOffice v2.3.7 and before is vulnerable to Arbitrary File Upload in /dzz/system/ueditor/php/controller.php.
CVE-2025-63694 CRITICAL 9.8 UPGRADE DzzOffice v2.3.7 and before is vulnerable to SQL Injection in explorer/groupmanage.
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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