CVE-2015-8797

Cross-site scripting (XSS) vulnerability in webapp/web/js/scripts/plugins.js in the stats page in the Admin UI in Apache Solr before 5.3.1 allows remote attackers to inject arbitrary web script or HTML via the entry parameter to a plugins/cache URI.

Published: 2016-02-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-8797 is rated Moderate Risk (56/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.29%). Core evidence: EPSS rose +1.21% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

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-2015-8797

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 2.07% 3.29% +1.21%
2 2025-03-30 3.80% 2.07% -1.72%
3 2025-03-29 3.80%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8797

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 2.7 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2015-8797

GitHub Security Advisory for CVE-2015-8797

GHSA-v6gf-x8fp-532v · Severity: medium · Ecosystem: maven — Improper Neutralization of Input During Web Page Generation in Apache Solr

OS Trackers for CVE-2015-8797

vendor priority summary link
debian unimportant CVE-2015-8797 unimportant priority: Debian including 1 source packages (lucene-solr), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-8797
ubuntu medium CVE-2015-8797 medium priority: Ubuntu including 1 source packages (lucene-solr), 8 status rows across 8 suites (artful, precise, trusty, upstream, wily, xenial, yakkety, zesty): ignored 3, not-affected 3, DNE 1, released 1. https://ubuntu.com/security/CVE-2015-8797

Affected software / configurations for CVE-2015-8797

Vendor Product Version Raw CPE
apache solr <= 5.3 cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*

References for CVE-2015-8797

cvelogic Threat Intelligence