The theme implementation in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 triggers duplicate caching of Cascading Style Sheets (CSS) and JavaScript content, which allows remote attackers to bypass intended access restrictions and write to an operating-system temporary directory via unspecified vectors.
CVE-2011-4293
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 82.1%
- KEV
- Not listed
Published
July 16, 2012
Last Modified
April 29, 2026
References (6)
- secalert@redhathttp://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e1c2a211f259821910be2cba23679d4176fb00a3
- secalert@redhathttp://moodle.org/mod/forum/discuss.php?d=182736
- secalert@redhathttp://openwall.com/lists/oss-security/2011/11/14/1
- af854a3a-2127-422b-91ae-364da2661108http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=e1c2a211f259821910be2cba23679d4176fb00a3
- af854a3a-2127-422b-91ae-364da2661108http://moodle.org/mod/forum/discuss.php?d=182736
- af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/11/14/1
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| moodle/moodle | — | 2.1.1 | — |
Data Freshness Timeline
(refreshed 10× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(4)
What is CVE-2011-4293?
CVE-2011-4293 is a none vulnerability published on July 16, 2012. The theme implementation in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 triggers duplicate caching of Cascading Style Sheets (CSS) and JavaScript content, which allows remote attackers to bypass intended access restrictions and write to an operating-system temporary directory via unspecified…
When was CVE-2011-4293 disclosed?
CVE-2011-4293 was first published in the National Vulnerability Database on July 16, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-4293 actively exploited?
CVE-2011-4293 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-4293?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4293, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2011-4293
Is Your Infrastructure Affected by CVE-2011-4293?
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