CVE-2024-42515Public exploitNetwork attack vector

Stored XSS via glossary HTML conversion

Published Oct 31, 2024 · Updated Nov 1, 2024

Stored cross-site scripting in PebbleRoad Glossarizer 1.5.2 and earlier allows remote attackers to execute script via glossary text. The jquery.glossarize.js .html() call decodes escaped angle brackets in a glossary-matched word and inserts the resulting markup into the page. A payload must be appended to text matching an existing glossary entry; processing that content executes attacker-controlled script in the page context.

CVSS severity9.9
Critical
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in PebbleRoad Glossarizer 1.5.2 and earlier allows remote attackers to execute script via glossary text. The jquery.glossarize.js .html() call decodes escaped angle brackets in a glossary-matched word and inserts the resulting markup into the page. A payload must be appended to text matching an existing glossary entry; processing that content executes attacker-controlled script in the page context.

The record

CVE
CVE-2024-42515
Published
Oct 31, 2024
Updated
Nov 1, 2024
Vendor
PebbleRoad
Product
Glossarizer
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 31, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=1.5.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PebbleRoad · Glossarizerversion=0 <=1.5.2

Published CVSS scores

9.9CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:L
6.1GitHub Security AdvisoryCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.3GitHub Security AdvisoryCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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