Lightbox with PhotoSwipe Plugin up to 5.18.x on WordPress cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.28+ |
Summary
A vulnerability classified as problematic has been found in Lightbox with PhotoSwipe Plugin up to 5.18.x. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2026-124649. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Lightbox with PhotoSwipe Plugin up to 5.18.x. It has been classified as problematic. This affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:
The Lightbox with PhotoSwipe WordPress plugin before 5.19.0 does not properly sanitise link titles and other caption sources before inserting them as HTML into the image lightbox caption, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks via comments.
It is possible to read the advisory at wpscan.com. This vulnerability is uniquely identified as CVE-2026-124649 since 11/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
Upgrading to version 5.19.0 eliminates this vulnerability.
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Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Lightbox with PhotoSwipe Plugin 5.19.0
Timeline
11/09/2026 CVE reserved11/14/2026 Advisory disclosed
11/14/2026 VulDB entry created
11/14/2026 VulDB entry last update
Sources
Advisory: wpscan.comStatus: Confirmed
CNA: WPScan
CVE: CVE-2026-124649 (🔒)
GCVE (CVE): GCVE-0-2026-124649
GCVE (VulDB): GCVE-100-437415
Entry
Created: 11/14/2026 07:43Changes: 11/14/2026 07:43 (54)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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