Security readout for executives and security teams
Plain-English summary
CVE-2026-1649 affects the WordPress Community Events plugin through version 1.5.7. An already-authenticated administrator can store malicious script in a venue name field, causing it to run when an affected page is viewed. Business urgency is limited by the high privilege requirement, but relevant for sites with multiple or delegated administrators.
Executive priority
Treat as a routine but real WordPress hygiene issue. It is not an internet-wide unauthenticated emergency, but it should be addressed promptly on sites using this plugin, especially where many people have administrator access.
Technical view
The issue is stored cross-site scripting in the ce_venue_name parameter caused by insufficient input sanitization and output escaping. The CVSS 3.1 score is 4.4, with high privileges and high attack complexity, scope changed, and low confidentiality and integrity impact. Sources identify Community Events versions up to and including 1.5.7.
Likely exposure
Exposure is limited to WordPress sites running the Community Events plugin at version 1.5.7 or earlier. Exploitation requires administrator-level access or higher, so risk is greatest where admin accounts are shared, delegated, compromised, or not tightly governed.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not listed as KEV. The attack is authenticated and requires administrator-level access. Impact is mainly stored script execution in users’ browsers when they access affected pages.
Researcher notes
Evidence supports stored XSS through ce_venue_name in Community Events through 1.5.7. The source bundle references WordPress Trac code locations and a changeset, but it does not clearly name a fixed release. Avoid assuming active exploitation or a specific patched version without updated vendor evidence.
Mitigation direction
- Inventory WordPress sites for the Community Events plugin and version.
- Prioritize sites running Community Events 1.5.7 or earlier.
- Check Wordfence, WordPress.org plugin, and vendor guidance for a fixed release.
- Update the plugin when an official fixed version is available.
- Restrict administrator access to trusted accounts only.
- Review and remove unnecessary WordPress administrator users.
Validation and detection
- Confirm whether Community Events is installed on each WordPress site.
- Record installed plugin versions and flag 1.5.7 or earlier.
- Review venue records for unexpected script-like content.
- Inspect recent administrator changes to event venue fields.
- Verify output escaping or sanitization changes against referenced WordPress Trac changeset.
- Monitor vendor and Wordfence pages for updated remediation details.
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-2026-1649 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
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:H/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:H/PR:H/UI:N/S:C/C:L/I:L/A:N1.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:N/AC:H/PR:H/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/c44232a9-7b97-449c-b584-ca3c26d63581?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/community-events/trunk/community-events.php#L1403CVE reference
- https://plugins.trac.wordpress.org/browser/community-events/tags/1.5.7/community-events.php#L1403CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3456114%40community-events&new=3456114%40community-events&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.