PatchSiren cyber security CVE debrief
CVE-2026-100873 mathurvishal CVE debrief
A vulnerability was detected in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. The impacted element is an unknown function. The manipulation results in cross-site request forgery. The attack can be launched remotely. The exploit is now public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable.
- Vendor
- mathurvishal
- Product
- CloudClassroom-PHP-Project
- CVSS
- LOW 2.1
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-27
- Original CVE updated
- 2026-09-27
- Advisory published
- 2026-09-27
- Advisory updated
- 2026-09-27
Who should care
Defenders responsible for mathurvishal CloudClassroom-PHP-Project deployments, vulnerability management teams, and security teams should assess exposure and potential impact. They should prioritize verifying exposure in their inventory and assessing the impact of this vulnerability on their systems, focusing on CSRF vulnerability defensive impact and affected operator, platform, and security-team implications.
Why it matters
Defenders should care about CVE-2026-100873 because it is a CSRF vulnerability in mathurvishal CloudClassroom-PHP-Project with a public exploit available. Although the product does not use versioning, making affected release information unavailable, defenders can still take steps to verify exposure and assess potential impact.
- Verify exposure in inventory to prioritize patching or mitigation
- Assess potential impact on systems to determine defensive priority
Technical summary
The vulnerability is a cross-site request forgery (CSRF) issue in an unknown function of mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. The attack can be launched remotely. Defenders should assess exposure and potential impact with a focus on CSRF vulnerability technical framing and source-grounded context without unsupported claims or exploit detail. The product does not use versioning, making affected release information unavailable. This lack of versioning information complicates vulnerability management.
Defensive priority
Defenders should prioritize verifying exposure in their inventory and assessing the impact of this vulnerability on their systems.
Recommended defensive actions
- Verify exposure in inventory
- Assess impact on systems
- Monitor for potential CSRF attacks
- Review compensating controls for exposed systems
- Check relevant monitoring, detection, and logs for exposed assets
- Track exceptions, retest remediated assets
- Review the supplied official advisory or CVE record
Evidence notes
The CVE record and NVD entry provide limited information about the vulnerability. The vendor did not respond to early disclosure. The exploit is public, but there is no information on versioning or affected releases. Defenders should verify exposure and assess potential impact with explicit evidence limits and defensive verification tasks.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-100873 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-100873
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-100873 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-100873
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://github.com/vinniboy021-blip/Advisory/blob/main/csrf.md
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Source reference
Unverified legacy reference
URL: https://vuldb.com/cve/CVE-2026-100873
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Source reference
Unverified legacy reference
URL: https://vuldb.com/submit/915270
-
Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/410803
-
Source reference
Unverified legacy reference
URL: https://vuldb.com/vuln/410803/cti
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.