Security readout for executives and security teams
Plain-English summary
This CVE affects a WordPress plugin that can store unsafe script content and later show it to another user. The business risk is mainly browser-side compromise on sites still running Greek Namedays Widget through version 20191113. The source bundle does not show active exploitation or a confirmed vendor patch.
Executive priority
Treat as a moderate WordPress hygiene issue. Prioritize internet-facing WordPress sites using this plugin, especially where many users can edit content or widgets. The main decision is whether to update, replace, or disable the plugin after checking current vendor guidance.
Technical view
CVE-2025-23783 is a stored XSS flaw in carrotbits Greek Namedays Widget From Eortologio.Net, package greek-namedays-widget, through version 20191113. CVSS 3.1 is 6.5, with network attack vector, low complexity, low privileges required, user interaction required, and changed scope. CWE-79 is assigned.
Likely exposure
Exposure is limited to WordPress installations that have this specific plugin installed and enabled at version 20191113 or earlier. Organizations not using greek-namedays-widget are not indicated as affected by the supplied sources.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no cited source here states active exploitation. Exploitation requires low privileges and user interaction, consistent with stored XSS risk where a later viewer may trigger malicious script content.
Researcher notes
The supplied evidence identifies the vulnerability class, affected plugin, version ceiling, CVSS vector, and CWE. It does not include exploit details, a vendor advisory, a fixed version, or proof of exploitation. Avoid broad claims beyond the named plugin and version range.
Mitigation direction
- Inventory WordPress sites for the greek-namedays-widget plugin and installed version.
- Check vendor, WordPress plugin, or Patchstack guidance for an update or replacement.
- Disable the plugin where it is not business-critical until remediation is clear.
- Restrict plugin administration to trusted users only.
- Review affected sites for unexpected content changes in plugin-managed areas.
Validation and detection
- Confirm whether greek-namedays-widget is installed on each WordPress site.
- Record the installed version and compare it with version 20191113 or earlier.
- Verify whether the plugin renders user-controlled content in public or admin pages.
- Review security scanner results against CVE-2025-23783 and Patchstack’s entry.
- Document sites where the plugin is absent as not affected by current evidence.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-23783 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7PatchstackVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.