Content Management System: Incomplete Filtering of Special Elements
CVE-2025-14731 is a high-severity incomplete filtering of special elements vulnerability in Content Management System from CTCMS, with a CVSS 3.1 base score of 7.2 out of 10. It can be exploited remotely over the network by an attacker with administrator privileges, without any action from a user. Affected Content Management System versions: 2.1.0; 2.1.1; 2.1.2. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.45% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Content Management System you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| CTCMS | Content Management System | 2.1.0; 2.1.1; 2.1.2 | Not stated |
| Ctcms Project | Ctcms | 2.1.2 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- HighAdministrator-level access is required first.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 2.1 | Low | CNA (vuldb.com) |
| CVSS 3.1 | 6.3 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 7.2 | High | NVD |
| CVSS 2.0 | 6.5 | Medium | CNA (vuldb.com) |
Official description
A weakness has been identified in CTCMS Content Management System up to 2.1.2. This affects an unknown function in the library /ctcms/apps/libraries/CT_Parser.php of the component Frontend/Template Management Module. This manipulation causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incomplete Filtering of Special Elements
The product receives data from an upstream component, but it does not completely filter special elements before sending it to a downstream component.
More Incomplete Filtering of Special Elements vulnerabilities (CWE-791)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?id.336488Third Party Advisory, VDB Entry
- vuldb.com/?submit.707106Third Party Advisory, VDB Entry
- vuldb.com/?submit.707107Third Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- note-hxlab.wetolink.com/share/Ros8ZIeCLQrNExploit, Third Party Advisory
- note-hxlab.wetolink.com/share/U6cnRoRfn09rExploit, Third Party Advisory
Other references
- vuldb.com/?ctiid.336488Permissions Required, VDB Entry
Other vulnerabilities in Content Management System
- 7.2 High severity
- 7.2 High severity
- 8.1 High severity
Recent Incomplete Filtering of Special Elements vulnerabilities
- 7.3 High severity
- 9.8 Critical severity
- 8.5 High severity
- 8.8 High severity
- 7.8 High severity
- 7.4 High severity
Spotted an error? Tell us.