What is CVE-2015-2271?

CVE-2015-2271 is a medium-severity security vulnerability in moodle/moodle (composer), affecting versions < 2.6.9. It is fixed in 2.6.9, 2.7.6, 2.8.4.

Which versions of moodle/moodle are affected by CVE-2015-2271?

moodle/moodle (composer) versions < 2.6.9 is affected.

Is there a fix for CVE-2015-2271?

Yes. CVE-2015-2271 is fixed in 2.6.9, 2.7.6, 2.8.4. Upgrade to this version or later.

Is CVE-2015-2271 exploitable, and should I be worried?

Whether CVE-2015-2271 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

What actually determines whether CVE-2015-2271 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

CVE-2015-2271 in moodle/moodle

Q: Which versions of moodle/moodle are affected by CVE-2015-2271?

moodle/moodle (composer) versions < 2.6.9 is affected.

Q: Is there a fix for CVE-2015-2271?

Yes. CVE-2015-2271 is fixed in 2.6.9, 2.7.6, 2.8.4. Upgrade to this version or later.

Q: Is CVE-2015-2271 exploitable, and should I be worried?

Whether CVE-2015-2271 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

Q: What actually determines whether CVE-2015-2271 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

Q: How do I fix CVE-2015-2271?

Upgrade: moodle/moodle to 2.6.9 or later, moodle/moodle to 2.7.6 or later, moodle/moodle to 2.8.4 or later.

Summary

Moodle does not consider the moodle/tag:flag capability

tag/user.php in Moodle through 2.5.9, 2.6.x before 2.6.9, 2.7.x before 2.7.6, and 2.8.x before 2.8.4 does not consider the moodle/tag:flag capability before proceeding with a flaginappropriate action, which allows remote authenticated users to bypass intended access restrictions via the "Flag as inappropriate" feature.

Impact

Affected versions

moodle/moodle (< 2.6.9) moodle/moodle (>= 2.7.0, < 2.7.6) moodle/moodle (>= 2.8.0, < 2.8.4)

Security releases

moodle/moodle → 2.6.9 (composer) moodle/moodle → 2.7.6 (composer) moodle/moodle → 2.8.4 (composer)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

See it in your environment

Remediation advice

Upgrade the following packages to resolve this vulnerability:

moodle/moodle to 2.6.9 or later; moodle/moodle to 2.7.6 or later; moodle/moodle to 2.8.4 or later

Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.

Frequently Asked Questions

What is CVE-2015-2271? CVE-2015-2271 is a medium-severity security vulnerability in moodle/moodle (composer), affecting versions < 2.6.9. It is fixed in 2.6.9, 2.7.6, 2.8.4.
Which versions of moodle/moodle are affected by CVE-2015-2271? moodle/moodle (composer) versions < 2.6.9 is affected.
Is there a fix for CVE-2015-2271? Yes. CVE-2015-2271 is fixed in 2.6.9, 2.7.6, 2.8.4. Upgrade to this version or later.
Is CVE-2015-2271 exploitable, and should I be worried? Whether CVE-2015-2271 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
What actually determines whether CVE-2015-2271 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
How do I fix CVE-2015-2271?
- Upgrade moodle/moodle to 2.6.9 or later
- Upgrade moodle/moodle to 2.7.6 or later
- Upgrade moodle/moodle to 2.8.4 or later

Other vulnerabilities in moodle/moodle

CVE-IDSeverityPackage summary

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