How severe is CVE-2025-26527?

CVE-2025-26527 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-26527 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26527?

CVE-2025-26527 affects Moodle. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26527?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-26527 have an EU (EUVD) identifier?

Yes. CVE-2025-26527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4277.

When was CVE-2025-26527 published?

CVE-2025-26527 was published on 2025-02-24 and last updated on 2026-06-17.

CVE-2025-26527

CVE-2025-26527 is a medium-severity vulnerability in Moodle with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1230.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-4277
Weakness: CWE-1230
Affected product: Moodle
Published: 2025-02-24
Last modified: 2026-06-17

Description

Tags not expected to be visible to a user could still be discovered by them via the tag search page or in the tags block.

Frequently asked questions

What is CVE-2025-26527?: Tags not expected to be visible to a user could still be discovered by them via the tag search page or in the tags block.
How severe is CVE-2025-26527?: CVE-2025-26527 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-26527 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26527?: CVE-2025-26527 affects Moodle. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26527?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26527 have an EU (EUVD) identifier?: Yes. CVE-2025-26527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-4277.
When was CVE-2025-26527 published?: CVE-2025-26527 was published on 2025-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

More vulnerabilities in Moodle

CVE-2006-4935 — Critical (CVSS 10.0): The Database module in Moodle before 1.6.2 does not properly handle uploaded files, which has unspecified impact and…
CVE-2006-4936 — Critical (CVSS 10.0): Moodle before 1.6.2 does not properly validate the module instance id when creating a course module object, which has…
CVE-2005-2247 — Critical (CVSS 10.0): Multiple unknown vulnerabilities in Moodle before 1.5.1 have unknown impact and attack vectors.
CVE-2004-2233 — Critical (CVSS 10.0): Unknown "front page vulnerability with Moodle servers" for Moodle before 1.3.2 has unknown impact and attack vectors.
CVE-2004-2236 — Critical (CVSS 10.0): Unknown vulnerability in Moodle before 1.3.3 has unknown impact and attack vectors, related to language setting.
CVE-2004-2237 — Critical (CVSS 10.0): Unknown vulnerability in Moodle before 1.3.4 has unknown impact and attack vectors, related to "strings in Moodle…

All CVEs affecting Moodle →

Other CWE-1230 vulnerabilities

CVE-2024-9099 — High (CVSS 8.1): In lunary-ai/lunary version v1.4.29, the GET /projects API endpoint exposes both public and private API keys for all…
CVE-2025-13084 — High (CVSS 7.6): The users endpoint in the groov View API returns a list of all users and associated metadata including their API keys.…
CVE-2025-47324 — High (CVSS 7.5): Information disclosure while accessing and modifying the PIB file of a remote device via powerline.
CVE-2025-0330 — High (CVSS 7.5): In berriai/litellm version v1.52.1, an issue in proxy_server.py causes the leakage of Langfuse API keys when an error…
CVE-2024-53291 — High (CVSS 7.5): Dell NativeEdge, version(s) 2.1.0.0, contain(s) an Exposure of Sensitive Information Through Metadata vulnerability. An…
CVE-2025-30038 — High (CVSS 7.3): The vulnerability consists of a session ID leak when saving a file downloaded from CGM CLININET. The identifier is…

Browse all CWE-1230 vulnerabilities →