CVE-2025-26527 | Non-searchable tags can still be discovered on the tag search page and in the tags block

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.

Published: 2025-02-24 Last update: 2025-08-08 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-26527 is rated Low Risk (29.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.34%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-26527

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.36% 0.34% -0.03%
2 2026-04-05 0.26% 0.36% +0.10%
3 2026-04-04 — 0.26% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-26527

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-26527

GitHub Security Advisory for CVE-2025-26527

GHSA-5r85-6h7f-rg3r · Severity: medium · Ecosystem: composer — Moodle's non-searchable tags can still be discovered on the tag search page and in the tags block

OS Trackers for CVE-2025-26527

vendor priority summary link
ubuntu medium CVE-2025-26527 medium priority: Ubuntu including 1 source packages (moodle), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): DNE 6, needs-triage 3. https://ubuntu.com/security/CVE-2025-26527

Affected software / configurations for CVE-2025-26527

Vendor Product Version Raw CPE
moodle moodle >= 4.1.0, < 4.1.16 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.3.0, < 4.3.10 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.4.0, < 4.4.6 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle >= 4.5.0, < 4.5.2 cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

References for CVE-2025-26527

cvelogic Threat Intelligence