Zend Debugger in Zend Server before 9.1.3 has XSS, aka ZSR-2455.

published 2018-04-19 8y ago modified 2026-06-17 4mo ago also EUVD-2018-2305

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.6%; EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits: 0; none known, plus a Nuclei check

Patch / fix

fixed in 1

zend zend_server 9.1.3

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Exploit prediction

2.61% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Nuclei template Zend Server <9.13 - Cross-Site Scripting nuclei detection template

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

zend.com /en/products/server/release-notes
release-notes, vendor-advisory
synacktiv.com /ressources/zend_server_9_1_3_xss.pdf
third-party-advisory

Sources

CVE List CVE-2018-10230
NVD CVE-2018-10230

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.