Cross-site Scripting in GilaCMS

published 2021-09-27 5y ago modified 2026-06-17 4mo ago also GHSA-h7mq-27r7-w972 , EUVD-2021-2068

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

A cross-site scripting (XSS) vulnerability in /admin/content/post of GilaCMS v1.11.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Tags field.

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Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/GilaCMS/gila/issues/53 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	gilacms/gila	<=1.11.4	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /GilaCMS/gila/issues/53
web, exploit, issue-tracking, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-20696
advisory
github.com /GilaCMS/gila
package

Sources

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.