Security readout for executives and security teams
Plain-English summary
A WordPress site using YaMaps for WordPress before 0.6.26 could let a logged-in contributor store script content through shortcode attributes. That script may run when someone views the affected page or post. This is not a server takeover, but it can affect user trust and browser-session integrity.
Executive priority
Treat this as a moderate-priority WordPress hygiene issue. Prioritize sites with many contributors, client-managed content, or administrative users who frequently view submitted posts. Patch during the next normal maintenance window unless untrusted contributors exist, then move faster.
Technical view
The plugin failed to validate and escape some shortcode attributes before rendering them in embedded page or post output. The issue is stored cross-site scripting, CWE-79, requiring contributor-level privileges or higher and user interaction. CVSS 3.1 is 5.4 with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress installations running YaMaps for WordPress earlier than 0.6.26, especially where contributor or higher roles are held by untrusted users. Sites without the plugin, already updated, or without contributor-level content access are less likely exposed.
Exploitation context
The bundle includes a WPScan reference tagged as exploit, but it does not state active exploitation in the wild. The CVE is not marked KEV. Abuse requires an authenticated contributor-level user or higher and a victim viewing the affected page or post.
Researcher notes
Evidence supports stored XSS in shortcode attribute handling before 0.6.26. The source bundle does not name a vendor and provides limited detail beyond WPScan and CVE metadata. Avoid assuming broader plugin impact, unauthenticated exploitation, or active exploitation without additional cited evidence.
Mitigation direction
- Update YaMaps for WordPress to version 0.6.26 or later.
- Restrict contributor and author roles to trusted users only.
- Review posts and pages using YaMaps shortcodes for suspicious attributes.
- Remove or sanitize suspicious shortcode content before republishing.
- Check vendor or WPScan guidance for any additional remediation details.
Validation and detection
- Inventory WordPress sites for YaMaps for WordPress installations.
- Confirm installed plugin versions are 0.6.26 or later.
- Identify pages or posts embedding YaMaps shortcodes.
- Review recent contributor-authored content containing those shortcodes.
- Verify affected content renders safely after updating in staging.
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-2023-0270 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (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:N
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.
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:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/ca3ca694-54ca-4e7e-82e6-33aa240754e1CVE reference · exploit, vdb-entry
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.