Security readout for executives and security teams
Plain-English summary
CVE-2026-1252 affects the WordPress Events Listing Widget plugin through version 1.3.4. A logged-in user with Author-level access or higher could save malicious script in an Event URL field. That script may run when others view the affected page, creating risk to site visitors and administrators.
Executive priority
Treat as a targeted website integrity risk, not a broad unauthenticated takeover. Prioritize sites with many contributors, public registration, agencies, or shared author accounts. If the plugin is present and unpatched, reduce contributor privileges or disable the plugin while confirming vendor remediation.
Technical view
The flaw is stored cross-site scripting caused by insufficient input sanitization and output escaping of the Event URL parameter. The CVSS 3.1 score is 6.4. Required privileges are low, scope is changed, and impact is limited confidentiality and integrity compromise. Sources identify CWE-79 and affected versions up to and including 1.3.4.
Likely exposure
Exposure is limited to WordPress sites running Events Listing Widget version 1.3.4 or earlier, especially where Author-level accounts are broadly assigned or not fully trusted. Sites without this plugin, without affected versions, or without untrusted authors have lower practical exposure.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not claim active exploitation. Exploitation requires authenticated Author-level or higher access. The stored script executes when a user accesses an injected page, so administrative page views could increase business impact.
Researcher notes
The provided references identify the vulnerable parameter and WordPress Trac locations, including version 1.3.4 and a changeset. The bundle does not clearly name a fixed version. Avoid assuming remediation beyond vendor guidance. Validate scope against actual plugin deployments and role assignments.
Mitigation direction
- Check WordPress plugin inventory for Events Listing Widget and its installed version.
- Update if the vendor or WordPress plugin repository provides a fixed release.
- If no fixed release is available, consider disabling the plugin until vendor guidance is clear.
- Restrict Author-level access to trusted users only.
- Review existing event entries and remove suspicious Event URL content.
- Monitor Wordfence, CVE, and WordPress plugin repository updates for remediation details.
Validation and detection
- Confirm whether Events Listing Widget is installed on each WordPress site.
- Verify whether the installed version is 1.3.4 or earlier.
- Review user accounts with Author, Editor, or Administrator roles.
- Inspect Event URL values for unexpected script-like or suspicious content.
- Compare plugin code or release notes against the referenced WordPress Trac changeset.
- Check security logs for unusual edits to event-related content.
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-2026-1252 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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:N/S:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7f3b13a5-0711-4ad3-b11c-f8556e1ca9f9?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/events-listing-widget/trunk/events-listing-widget.php#L266CVE reference
- https://plugins.trac.wordpress.org/browser/events-listing-widget/tags/1.3.4/events-listing-widget.php#L266CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3451446%40events-listing-widget&new=3451446%40events-listing-widget&sfp_email=&sfph_mail=CVE reference
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.