EUVD-2026-88170
GHSA-4hv4-w9v7-8mr5
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Anonymous remote comment submission gives PR:N/AV:N; script executes only when a moderator views the page (UI:R); scope changes into the admin browser session (S:C) with limited C:L/I:L.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
4Description PRE-NVD
Articles & Coverage 4
AnalysisAI
Stored cross-site scripting in Apache Roller 6.1.5 lets an unauthenticated remote attacker persist a crafted URL in the comment-author field so that script executes in the browser session of a weblog moderator or global administrator who later opens the comment moderation page. The flaw is rated CVSS 3.1 6.1 (medium) with vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N, reflecting unauthenticated submission, required reviewer interaction, and impact scoped to the privileged reviewer's session with no availability loss. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target Roller site permit comments on at least one weblog (comment posting available to anonymous users) AND that a weblog moderator or global administrator subsequently open the comment-management/moderation page to review the submitted comment - that moderator page view (UI:R) is the trigger. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a stored (persistent) cross-site scripting flaw rated CVSS 3.1 6.1 (medium) with vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Apache Roller 6.1.6 or later, which the vendor identifies as the fixed release (Vendor-released patch: Apache Roller 6.1.6), consulting https://roller.apache.org/ and the oss-security advisory at https://seclists.org/oss-sec/2026/q3/954 for the authoritative guidance and tracking the upstream change at https://github.com/apache/roller/pull/181. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every Apache Roller instance and confirm which are running version 6.1.5 (or any release at or below 6.1.5), then disable the comment feature on any weblog where reader comments are not strictly required and place all remaining Roller moderation and administration interfaces behind network restrictions or an authenticating reverse proxy so they are not reachable from the open internet. …
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External POC / Exploit Code
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