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CVE-2025-1949· NVD / CVE Program· CNA VulDB

ZZCMS URL register_nodb.php cross site scripting

A vulnerability, which was classified as problematic, has been found in ZZCMS 2025. This issue affects some unknown processing of the file /3/ucenter_api/code/register_nodb.php of the component URL Handler. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

MediumCVSS 5.3 · v4.0—No exploit No fix recorded

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Published
Mar 4, 2025
Updated
Jun 17, 2026
EPSS
0.5% · 41th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulDB
5.3
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
zzcmszzcms

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • zzcms zzcms2025

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a ZZCMS

    • 2025affected

Same product

zzcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-42398An issue in zzCMS v.2023 allows a remote attacker to execute arbitrary code and obtain sensitive information via the ueditor component in co
    40Plan
  • CVE-2021-43703An Incorrect Access Control vulnerability exists in zzcms less than or equal to 2019 via admin.php.
    40Plan
  • CVE-2020-23426zzcms 201910 contains an access control vulnerability through escalation of privileges in /user/adv.php, which allows an attacker to modify
    40Plan
  • CVE-2019-1010152zzcms 8.3 and earlier is affected by: File Delete to Code Execution.
    40Plan
  • CVE-2019-1010150zzcms 8.3 and earlier is affected by: File Delete to Code Execution.
    40Plan
  • CVE-2019-1010149zzcms version 8.3 and earlier is affected by: File Delete to Code Execution.
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-44819181 days apartCross Site Scripting vulnerability in ZZCMS v.2023 and before allows a remote attacker to obtain sensitive information via a crafted script
    24Monitor
  • CVE-2024-44820181 days apartA sensitive information disclosure vulnerability exists in ZZCMS v.2023 and before within the eginfo.php file located at /3/E_bak5.1/upload/
    24Monitor
  • CVE-2024-44818181 days apartCross Site Scripting vulnerability in ZZCMS v.2023 and before allows a remote attacker to obtain sensitive information via the HTTP_Referer
    21Monitor
  • CVE-2024-43006200 days apartA stored cross-site scripting (XSS) vulnerability exists in ZZCMS2023 in the ask/show.php file at line 21.
    21Monitor
  • CVE-2024-11130112 days apartZZCMS msg.php cross site scripting
    20Monitor
  • CVE-2024-43005200 days apartA reflected cross-site scripting (XSS) vulnerability in the component dl_liuyan_save.php of ZZCMS v2023 allows attackers to execute arbitrar
    18Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
P
Scope
X

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records