PatchSiren cyber security CVE debrief
CVE-2019-25779 WooThemes CVE debrief
CVE-2019-25779 WooThemes Diarise 1.5.9 Local File Disclosure via download.php allows unauthenticated attackers to read arbitrary files through the calendar parameter. This vulnerability enables attackers to access sensitive files, potentially leading to information disclosure. Defenders should assess exposure and prioritize patching to mitigate potential risks. The vulnerability was first observed by the Shadowserver Foundation on 2023-10-19. Affected product deployments should be identified, and owners assigned for follow-up.
- Vendor
- WooThemes
- Product
- Diarise
- CVSS
- HIGH 8.7
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-22
- Original CVE updated
- 2026-10-22
- Advisory published
- 2026-10-22
- Advisory updated
- 2026-10-22
Who should care
Defenders and administrators of WooThemes Diarise installations should assess exposure and prioritize patching. Operators, platforms, and security teams may be impacted by potential information disclosure. Vulnerability management and security teams should review official advisories and monitor for suspicious requests. Affected asset owners should verify and document evidence of exploitation attempts.
Why it matters
CVE-2019-25779 allows unauthenticated attackers to read arbitrary files via the calendar parameter in download.php. Defenders should assess exposure, prioritize patching, and monitor for suspicious requests.
- Sensitive file disclosure possible
- Unauthenticated access to arbitrary files
- Potential for reconnaissance and further exploitation
Technical summary
The WooThemes Diarise plugin through version 1.5.9 contains a file read vulnerability in download.php. Unauthenticated attackers can send GET requests with file:// scheme paths to the calendar parameter to disclose sensitive files. This vulnerability can lead to information disclosure and potential further exploitation. Affected product context indicates a need for defenders to assess exposure and prioritize patching. Source-grounded technical framing suggests a need for caution when handling file requests via download.php.
Defensive priority
Assess exposure, prioritize patching
Recommended defensive actions
- Review and patch WooThemes Diarise version 1.5.9
- Restrict access to download.php
- Monitor for suspicious requests to download.php
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Review compensating controls for exposed systems while remediation is scheduled and verified
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
- Track exceptions, retest remediated assets, and close the item only after evidence is documented
Evidence notes
The vulnerability allows unauthenticated file disclosure via the calendar parameter in download.php. Evidence from Packet Storm and CXSecurity suggests exploitation attempts. The Shadowserver Foundation first observed exploitation on 2023-10-19. Defenders should verify affected scope and review official advisories for validation. Source grounding indicates a file read vulnerability in WooThemes Diarise 1.5.9.
Sources and references
Verified primary and authoritative sources
-
CVE-2019-25779 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2019-25779
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2019-25779 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2019-25779
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
WooThemes Diarise 1.5.9 Local File Disclosure via download.php
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2019/25xxx/CVE-2019-25779.json
cve_program_cvelist_v5
-
Source reference
Unverified legacy reference
URL: https://packetstorm.news/files/id/152773/
Supplemental source - exploit
-
Source reference
Unverified legacy reference
URL: https://cxsecurity.com/issue/WLB-2019050123
Supplemental source - exploit
-
Source reference
Unverified legacy reference
URL: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/diarise-theme-lfi.yaml
Supplemental source - technical-description
-
Source reference
Unverified legacy reference
URL: https://www.vulncheck.com/advisories/woothemes-diarise-1.5.9-local-file-disclosure-via-download-php
Supplemental source - third-party-advisory
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.