CVE-2023-6027: A critical flaw has been identified in elijaa/phpmemcachedadmin affecting version 1.3.0, specifically related

Routine

MEDIUM 6.1DOWNGRADE

CVE-2023-6027 is a medium-severity flaw (CVSS 6.1) affecting phpmemcachedadmin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-11-30
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: elijaa

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-11-30 14:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

elijaa phpmemcachedadmin DOWNGRADE

Affected: 1.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3.0

1. Check installed version

apt-cache policy phpmemcachedadmin || rpm -q phpmemcachedadmin || phpmemcachedadmin --version

2. No fixed release: DOWNGRADE to a release before 1.3.0 (Debian / Ubuntu)

apt-cache madison phpmemcachedadmin sudo apt install phpmemcachedadmin=<VERSION_BEFORE_1.3.0> sudo apt-mark hold phpmemcachedadmin

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list phpmemcachedadmin sudo dnf downgrade phpmemcachedadmin-<VERSION_BEFORE_1.3.0> sudo dnf versionlock add phpmemcachedadmin

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-6027?

phpmemcachedadmin: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-6027 being exploited?

CVE-2023-6027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-6027 affect?

CVE-2023-6027 affects phpmemcachedadmin. Severity is medium (CVSS 6.1). 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 is

How urgent is CVE-2023-6027?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2023-6026 CRITICAL 9.8 DOWNGRADE A Path traversal vulnerability has been reported in elijaa/phpmemcachedadmin affecting version 1.3.0
CVE-2014-8732 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in phpMemcachedAdmin 1.2.2 and earlier allows remote attackers to inj
CVE-2014-8731 CRITICAL 9.8 UPGRADE PHPMemcachedAdmin 1.2.2 and earlier allows remote attackers to execute arbitrary PHP code via vectors related

References

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