CVE-2025-41357 | Anon Proxy Server 0.104 URL /diagdns.php host cross site scripting
VulDBArchived Mar 31, 2026✓ Full text saved
A vulnerability described as problematic has been identified in Anon Proxy Server 0.104 . The affected element is an unknown function of the file /diagdns.php of the component URL Handler . Such manipulation of the argument host leads to cross site scripting. This vulnerability is listed as CVE-2025-41357 . The attack may be performed from remote. There is no available exploit.
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✦ AI Summary· Claude Sonnet
VDB-354339 · CVE-2025-41357 · GCVE-0-2025-41357
ANON PROXY SERVER 0.104 URL /DIAGDNS.PHP HOST CROSS SITE SCRIPTING
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
4.3 $0-$5k 1.82+
Summaryinfo
A vulnerability classified as problematic has been found in Anon Proxy Server 0.104. The impacted element is an unknown function of the file /diagdns.php of the component URL Handler. Performing a manipulation of the argument host results in cross site scripting. This vulnerability is cataloged as CVE-2025-41357. It is possible to initiate the attack remotely. There is no exploit available.
Detailsinfo
A vulnerability classified as problematic has been found in Anon Proxy Server 0.104. This affects some unknown processing of the file /diagdns.php of the component URL Handler. The manipulation of the argument host with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:
Reflected Cross-Site Scripting (XSS) vulnerability in Anon Proxy Server v0.104. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending him/her a malicious URL. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user. It affects 'host' parameter in '/diagdns.php' endpoint.
The weakness was shared by Rafael Pedrero. It is possible to read the advisory at incibe.es. This vulnerability is uniquely identified as CVE-2025-41357 since 04/16/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
By approaching the search of inurl:diagdns.php it is possible to find vulnerable targets with Google Hacking.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Productinfo
Type
Firewall Software
Name
Anon Proxy Server
Version
0.104
CPE 2.3info
🔒
CPE 2.2info
🔒
CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3info
VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploitinginfo
Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Today Unlock Unlock Unlock Unlock
Threat Intelligenceinfo
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
Countermeasuresinfo
Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
Timelineinfo
04/16/2025 CVE reserved
03/31/2026 +349 days Advisory disclosed
03/31/2026 +0 days VulDB entry created
03/31/2026 +0 days VulDB entry last update
Sourcesinfo
Advisory: incibe.es
Researcher: Rafael Pedrero
Status: Not defined
CVE: CVE-2025-41357 (🔒)
GCVE (CVE): GCVE-0-2025-41357
GCVE (VulDB): GCVE-100-354339
Entryinfo
Created: 03/31/2026 12:06
Changes: 03/31/2026 12:06 (68)
Complete: 🔍
Cache ID: 99:3D5:101
Discussion
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