CVE-2026-27502: SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the sear

Q: How do I fix CVE-2026-27502?

svxportal: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Q: Is CVE-2026-27502 being exploited?

CVE-2026-27502 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-27502 affect?

CVE-2026-27502 affects svxportal. Severity is medium (CVSS 6.1). SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the search query parameter. The application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing a

Q: How urgent is CVE-2026-27502?

Priority 25/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2026-27502 is a medium-severity flaw (CVSS 6.1) affecting svxportal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the search query parameter. The application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing an unauthenticated remote attacker to inject and execute arbitrary JavaScript in a victim's browser if the victim visits a crafted URL. This can be used to steal session data, perform actions as the victim, or m

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-20
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: radioinorr

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-20 17:25 UTCPublished CVE record published
2026-07-14 19:16 UTCUpdated Record last modified

radioinorr svxportal UPGRADE

Affected: <= 2.5

Fixed in: newer than 2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade svxportal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade svxportal

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2026-27502?

svxportal: upgrade to newer than 2.5. Exact commands for each OS are on this page.

Is CVE-2026-27502 being exploited?

CVE-2026-27502 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-2026-27502 affect?

CVE-2026-27502 affects svxportal. Severity is medium (CVSS 6.1). SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the search query parameter. The application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing a

How urgent is CVE-2026-27502?

Priority 25/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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