CVE-2025-2123
GeSHi CSS cssgen.php get_var cross site scripting
Description
A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
INFO
Published Date :
March 9, 2025, 3:15 p.m.
Last Modified :
June 23, 2025, 6:53 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update GeSHi to a secure version.
- Apply vendor patches if available.
- Sanitize user inputs to prevent XSS.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-2123.
| URL | Resource |
|---|---|
| https://github.com/GeSHi/geshi-1.0/issues/159 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 | Exploit Issue Tracking Third Party Advisory |
| https://vuldb.com/?ctiid.299036 | Permissions Required VDB Entry |
| https://vuldb.com/?id.299036 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.507418 | Exploit Third Party Advisory VDB Entry |
| https://github.com/GeSHi/geshi-1.0/issues/159 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 | Exploit Issue Tracking Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-2123 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-2123
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-2123 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-2123 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 23, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added CPE Configuration OR *cpe:2.3:a:qbnz:geshi:*:*:*:*:*:*:*:* versions up to (including) 1.0.9.1 Added Reference Type CISA-ADP: https://github.com/GeSHi/geshi-1.0/issues/159 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type VulDB: https://github.com/GeSHi/geshi-1.0/issues/159 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type CISA-ADP: https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type VulDB: https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 Types: Exploit, Issue Tracking, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.299036 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.299036 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.507418 Types: Exploit, Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 10, 2025
Action Type Old Value New Value Added Reference https://github.com/GeSHi/geshi-1.0/issues/159 Added Reference https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 -
New CVE Received by [email protected]
Mar. 09, 2025
Action Type Old Value New Value Added Description A vulnerability, which was classified as problematic, has been found in GeSHi up to 1.0.9.1. Affected by this issue is the function get_var of the file /contrib/cssgen.php of the component CSS Handler. The manipulation of the argument default-styles/keywords-1/keywords-2/keywords-3/keywords-4/comments leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/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 Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N) Added CWE CWE-79 Added CWE CWE-94 Added Reference https://github.com/GeSHi/geshi-1.0/issues/159 Added Reference https://github.com/GeSHi/geshi-1.0/issues/159#issue-2880408694 Added Reference https://vuldb.com/?ctiid.299036 Added Reference https://vuldb.com/?id.299036 Added Reference https://vuldb.com/?submit.507418