Cross-site Scripting vulnerability in PHPMemcachedAdmin

published 2023-11-30 2 y ago modified 2026-06-17 4 mo ago also GHSA-pr4w-m4rp-gp87 , EUVD-2023-3010

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

A critical flaw has been identified in elijaa/phpmemcachedadmin affecting version 1.3.0, specifically related to a stored XSS vulnerability. This vulnerability allows malicious actors to insert a carefully crafted JavaScript payload. The issue arises from improper encoding of user-controlled entries in the "/pmcadmin/configure.php" parameter.

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	elijaa/phpmemcacheadmin	<=1.3.0	no fix listed

Affected products

PHPMemcachedAdmin PHPMemcachedAdmin

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

incibe.es /en/incibe-cert/notices/aviso/multiple-vulnerabilities-phpmemcachedadmin
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-6027
advisory
github.com /FriendsOfPHP/security-advisories/blob/master/elijaa/phpmemcacheadmin/CVE-2023-6027.yaml
web
github.com /elijaa/phpmemcachedadmin
package

Sources

CVE List CVE-2023-6027
GitHub Advisory GHSA-pr4w-m4rp-gp87
NVD CVE-2023-6027

Fencer Vulns 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.

Summary