Chronosly Events CalendarWordPress extension · Chronosly Events Calendar Project
CVE-2023-31093
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedCross-Site Request Forgery (CSRF) vulnerability in Chronosly Chronosly Events Calendar plugin <= 2.6.2 versions.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceCross-Site Request Forgery (CSRF) vulnerability in the Chronosly Events Calendar WordPress plugin versions 2.6.2 and earlier allows attackers to trick authenticated users into performing unintended administrative actions by forcing their browser to send malicious requests. The plugin lacks proper anti-CSRF tokens or origin validation on state-changing operations, enabling attackers to craft malicious links or forms that execute actions when a logged-in administrator visits a crafted page.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
Chronosly Events CalendarWordPress extension
<= 2.6.2CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Verify Chronosly Events Calendar plugin is installedNavigate to WordPress Admin > Plugins or check the /wp-content/plugins/ directory for a folder named 'chronosly-events-calendar' or similarAffected if The plugin folder exists in the WordPress installation
-
Identify the installed plugin versionCheck the plugin header in the main PHP file (usually contains 'Version: x.x.x') or view the plugin in WordPress Admin > PluginsAffected if The reported version is 2.6.2 or lower
-
Confirm the plugin is activeCheck WordPress Admin > Plugins > Active Plugins list or query the wp_options table for active_pluginsAffected if The plugin is currently active on the site
-
Verify CSRF protection is missing on state-changing actionsReview plugin source code for functions handling admin actions (POST/GET requests that modify data) and check if they validate nonces or referer headersAffected if Admin actions lack nonce token validation or origin/referer checks
The environment is affected if the Chronosly Events Calendar plugin version is 2.6.2 or lower and the plugin is active, allowing CSRF attacks on authenticated administrators.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate the Chronosly Events Calendar plugin to the latest version beyond 2.6.2 which should include proper CSRF token validation. If no update is available, disable the plugin or implement a Web Application Firewall (WAF) rule to filter CSRF attack vectors.
Fix this in Chronosly Events Calendar
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-31093 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-31093 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data